| clinostomum complanatum (trematoda: clinostomatidae) in five new fish hosts in japan. | metacercariae of clinostomum complanatum were found in six species of natural freshwater fishes collected at koyama pond in tottori city of tottori prefecture, japan. five of these fish species are reported here as new records for second intermediate hosts of c. complanatum in japan: the silver crucian carp (carassius gibelio langsdorfi), the deepbodied crucian carp (carassius cuvieri), the carp (cyprinus carpio), the topmouth gudgeon (pseudorasbora parva) and the rose bitterling (rhodeus ocelat ... | 1992 | 1512883 |
| a new species of the genus gyrodactylus nordmann, 1832 (monogenea) from gobio gobio (l.). | gyrodactylus dykovae sp. n. (monogenea: gyrodactylidae) is described from the fins of the freshwater fish, gobio gobio (l.) (cyprinidae), from the rokytná river near moravský krumlov, czechoslovakia. this species is most related to g. gobii shulman, 1953 from which it differs by possessing more robust anchors with considerably larger shaft and by the morphology of the hook proper of marginal hooks. | 1991 | 1916536 |
| experimental verification of the effect of constant and changing water temperature on the micropopulation growth in gyrodactylus gobiensis gläser, 1974 (monogenea) parasitizing gudgeon (gobio gobio l.). | it has been verified under laboratory conditions that constant and changing water temperature markedly affects the micropopulation growth in gyrodactylus gobiensis parasite on the body surface of gudgeons (gobio gobio l.). at a water temperature of 12 degrees c, the number of gyrodactylids gradually increased up to the mean value of 63 specimens per host, which was reached on days 27-28 after experimental infection. at a constant temperature of 18 degrees c, the parasites completely disappeared ... | 1991 | 1937270 |
| experimental verification of the effect of physical condition of gobio gobio (l.) on the growth rate of micropopulations of gyrodactylus gobiensis gläser, 1974 (monogenea). | it has been verified experimentally that the growth rate of g. gobiensis micropopulations is markedly affected by the physical condition of the host (gobio gobio). if the fish were weakened by 50% oxygen deficiency and lack of food, the number of parasites increased much more rapidly than on the fish also unfed but kept in water with 100% oxygen content. if the fish weakened by oxygen deficiency were intensively fed, the growth of the parasite micropopulations started to slow down after 4-5 days ... | 1987 | 3666612 |
| the effects of methallibure (i.c.i. 33,828) and thiourea on gametogenesis in the firetail gudgeon, hypseleotris galii. | | 1973 | 4699357 |
| clonorchis sinensis: life cycle, intermediate hosts, transmission to man and geographical distribution in korea. | the snail host of clonorchis sinensis in korea is referred to as parafossarulus manchouricus, but it has been recorded also as bulimus striatulus japonicus in literature published up to late 1950. the specific name of the snail was corrected such that bulimus striatulus of china, japan, and korea should be incorporated in the species of p. manchouricus. in general, the snail exists in limited areas of the rivers han, kum, mankyung, naktong, and yeongsan, and the infestation of the snail with the ... | 1984 | 6391501 |
| ligula intestinalis (l.) (cestoda: pseudophyllidea): polarization of cyprinid leucocytes as an indicator of host- and parasite-derived chemoattractants. | freshly isolated pronephric leucocytes from roach, rutilus rutilus and gudgeon, gobio gobio were exposed to extracts of plerocercoids of ligula intestinalis from these two cyprinid fish. addition of the extracts or an increase in incubation temperature from 10 to 20 degrees c induced polarization of neutrophils and l1 granulocytes. cells were transformed from their typical spherical shape to elongate forms possessing a ruffled leading edge. extracts obtained from gudgeon-ligula stimulated polari ... | 1993 | 8278223 |
| long-term recovery of macrobenthos and fish assemblages after water pollution abatement measures in the river petite baïse (france). | riverine ecosystems are subject to a large variety of man-made influences, and in recent years a new public awareness of the need to protect rivers has emerged within the industrialized world. the present study focuses on the effect of abatement of pollution from one factory on the recovery of fish and macroinvertebrate species richness in the river petite baïse over a 20-year period (1973-1993). until 1973, the petite baïse (75 km in length) received not only factory waste (nitrogenous rich eff ... | 1997 | 9353205 |
| sexual disruption in a second species of wild cyprinid fish (the gudgeon, gobio gobio) in united kingdom freshwaters. | to establish whether the intersex condition seen in the roach (rutilus rutilus) in united kingdom (uk) rivers was species specific or a more general phenomenon in fish, evidence for sexual disruption was sought in a second cyprinid species, the gudgeon (gobio gobio). gudgeon were collected from the rivers aire and lea (at locations that receive high-volume discharges of sewage treatment works [stw] effluent and that contain intersex roach) and from two still waters, and their gonads were examine ... | 2001 | 11764169 |
| morphology and life cycle of apatemon hypseleotris species novum from australia including metacercariae viability and excystment. | experimental infection of pigeon squabs and rats with encysted metacercariae from the western carp gudgeon (hypseleotris klunzingeri) showed them to be infected with a new strigeid trematode, apatemon hypseleotris. growth and development of a. hypseleotris in pigeons were significantly higher than in rats. eggs appeared in pigeon faeces within 7-14 days; miracidia hatched within 15-21 days and in the snail lymnaea tomentosa released within 21 days. cercariae experimentally encysted in the leeche ... | 2002 | 12161969 |
| prevalence of clonorchis sinensis in vicinity of seongju, kyungpook province, korea. | an epidemiological survey conducted from march 1977 to october 1978, revealed that in the river taeka running through seong-ju county, kyungpook province, one habitat of the snail, parafossarulus manchouricus, was found. the snail population in the habitat was very low, and no clonorchis sinensis cercaria was found in the snails examined. seven species of fresh-water fish caught were examined for the presence of the metacercaria of clonorchis sinensis. of these, 3 species of fish, the korean shi ... | 1978 | 12902775 |
| laboratory evaluation of the predation efficacy of native australian fish on culex annulirostris (diptera: culicidae). | the introduction and establishment of fish populations can provide long-term, cost-effective mosquito control in habitats such as constructed wetlands and ornamental lakes. the predation efficacy of 7 native brisbane freshwater fish on 1st and 4th instars of the freshwater arbovirus vector culex annulirostris was evaluated in a series of 24-h laboratory trials. the trials were conducted in 30-liter plastic carboys at 25+/-1 degrees c under a light:dark cycle of 14:10 h. the predation efficacy of ... | 2004 | 15532929 |
| dermatitis, branchitis and mortality in empire gudgeon hypseleotris compressa exposed naturally to runoff from acid sulfate soils. | severe dermatitis and branchitis are described in a wild population of empire gudgeon hypseleotris compressa, an australian eleotrid, exposed naturally to runoff from acid sulfate soils (ass) in a drained estuarine embayment in eastern australia. after at least 2 d exposure to ph < 4, and up to 7 d exposure to ph < 6, approximately 50% of the fish sampled had moderate to severe diffuse epidermal hyperplasia, usually at scale margins, and scattered areas of moderate to severe, focal to locally ex ... | 2005 | 15819440 |
| classification and occurrence of abnormally developed paradiplozoon homoion (monogenea, diplozoinae) parasitising gudgeon gobio gobio. | morphological analyses of the attachment apparatus (clamps and central hooks) of paradiplozoon homoion (bychowsky & nagibina, 1959) (diplozoinae, monogenea) parasitising gills of gobio gobio (l.) showed a high percentage of abnormally developed parasite specimens. four different localities in the vlára river basin, czech republic, were investigated for the presence of such abnormal individuals. the highest percentage of abnormalities in the attachment apparatus (over 39%) was recorded in the vlá ... | 2005 | 15900689 |
| [component communities of the parasites of gudgeon (gobio gobio) from the basins of northern dvina and mezen rivers]. | component communities of parasites of gudgeon from the ecologically sustainable reservoirs are studied. the general principle of their organization is established. the material had been collected in the basins of northern dvina (41 specimens of gudgeon were dissected) and mezen (55 specimens of gudgeon were dissected) rivers using generally accepted methods. errors of regression equations for all individual species groups with their subsequent summation were calculate in order to estimate the st ... | 2005 | 16033224 |
| a molecular phylogeny of the dactylogyridae sensu kritsky & boeger (1989) (monogenea) based on the d1-d3 domains of large subunit rdna. | phylogenetic analyses based on the partial large subunit rdna (lsu) sequences of polyonchoinean monogeneans belonging to the dactylogyridea and monocotylidea were generated to investigate relationships among various subfamilies of the dactylogyridae sensu kritsky & boeger, 1989. monophyly of the dactylogyridae was supported by all analyses performed. status of the ancyrocephalidae sensu bychowsky & nagibina, 1978 and ancyrocephalinae sensu kritsky & boeger, 1989 was revised based on the present ... | 2006 | 16515727 |
| [helminths fauna of fishes in the mała panew river drainage basin]. | a parasitological investigation was made at 420 fishes from 10 species: perca fluviatilis l., gymnocephalus cernuus (l.), gobio gobio (l.), tinca tinca (l.), leuciscus idus (l), noemacheilus barbatulus (l.), lota lota (l.), leucaspisus delineatus (heckell 843), blicca biorkna (l.) and rhodeus sericeus amarus (bloch 1782). the fishes were caught over one year period (1995-1996) in the mała panew river drainage basin (south poland). in examined fishes the following parasite species were found: dip ... | 2000 | 16886354 |
| laboratory evaluation of the effect of alternative prey and vegetation on predation of culex annulirostris immatures by australian native fish species. | the impact of alternative prey and simulated vegetation on culex annulirostris skuse predation efficacy by australian smelt, retropinna semoni (retropinnidae); crimson-spotted rainbowfish, melanotaenia duboulayi (melanotaeniidae); empire gudgeon, hypseleotris compressa (eleotridae); estuary perchlet, ambassis marianus (ambassidae); firetail gudgeon, hypseleotris galii (eleotridae); fly-specked hardyhead, craterocephalus stercusmuscarum (atherinidae); and pacific blue-eye, pseudomugil signifer (a ... | 2006 | 17067039 |
| the effects of three organic chemicals on the upper thermal tolerances of four freshwater fishes. | the upper temperature tolerance limits of four freshwater fish species, silver perch bidyanus bidyanus, eastern rainbowfish melanotaenia duboulayi, western carp gudgeon hypseleotris klunzingeri, and rainbow trout oncorhynchus mykiss, were determined using the critical thermal maximum (ctmaximum) method. the ctmaximum tests were carried out with unexposed fish and fish exposed to sublethal concentrations of endosulfan, chlorpyrifos, and phenol to determine whether or not the ctmaximum was affecte ... | 2007 | 17665686 |
| polybrominated diphenyl ethers (pbdes) and polychlorinated biphenyls (pcbs) in 0+ juvenile cyprinids and sediments of the po river. | pbde and pcb content has been determined in 0+ bleak (cyprinus alburnus), nase (chondrostoma soetta), gudgeon (cyprinus gobio), chub (cyprinus cephalus), and barbel (barbus sp.) as well as in bed sediments sampled from the river po upstream and downstream of the confluence of a tributary draining a highly industrialized and urbanized subbasin. both groups of chemicals were present at higher levels in fish and sediments downstream from the confluence. in addition, whole-body concentrations of pbd ... | 2008 | 18213478 |
| [fauna of monogeneans (monogenea, platyhelminthes) of gudgeons (gobioninae, cyprinidae). 1. composition, structure, and characteristics of distribution]. | monogeneans parasitize 31 gudgeon species of 130, and 13 gudgeon genera of 30 known. monogenea from gudgeon comprise 48 species of the genus dactylogyrus, 1 bivaginogyrus (dactylogyridae), 18 ancyrocephalus s. l. (ancyrocephalidae), 6 gyrodactylus (gyrodactylidae), 3 paradiplozoon, and 1 species of the genus sindiplozoon (diplozoidae). the following characters were used in the morphological analysis: (1) structure of the copulatory organ, (2) morphology of the anchors, marginal hooks and bars, ( ... | 2008 | 19065839 |
| experimental studies on the development of contracaecum rudolphii (nematoda: anisakidae) in copepod and fish paratenic hosts. | the larval development of the nematode contracaecum rudolphii (rudolphi, 1819), a common parasite of the proventriculus of cormorants, was experimentally studied. within the eggs cultivated in freshwater under laboratory temperatures of 20-22 degrees c, the developing larva undergoes two moults on days 4-5, attaining the third larval stage. most of the ensheathed third-stage larvae, 291-457 microm long, hatch spontaneously from egg shells on days 5-6. experiments have indicated that hatched ensh ... | 2009 | 19827362 |
| perfluorooctanoic acid and perfluorooctane sulfonate in two fish species collected from the roter main river, bayreuth, germany. | perfluorooctanoic acid (pfoa) and perfluorooctane sulfonate (pfos) are widely distributed in the environment. in this study the accumulation potential of pfoa and pfos in two fish species with different feeding strategies, i.e. chub (leuciscus cephalus) and river goby (gobio gobio) inhabiting a river receiving treated waste waters from a municipal waste water treatment plant, were estimated. pfos was detected in chub (7-250 microg kg(-1) wet weight) and river goby (70-400 microg kg(-1) wet weigh ... | 2010 | 19946664 |
| time trends in fish populations in metropolitan france: insights from national monitoring data. | using the electrofishing database of the french national agency for water and aquatic environment (onema), the time trends of 48 freshwater fish taxa at 590 sites monitored for at least 8 years from 1990 to 2009 were investigated. the results demonstrated that species richness increased steadily from the beginning of the monitoring period. this is congruent with the finding that the number of species displaying a significant increase in spatial distribution or abundance was greater than those sh ... | 2011 | 22136235 |
| sphaerothecum destruens pathology in cyprinids. | sphaerothecum destruens is a significant intracellular parasite of fish which has caused disease and mortalities in cultured north american chinook salmon oncorhynchus tshawytscha and atlantic salmon salmo salar. several hosts for s. destruens have been identified within the salmonidae family, and the histopathology of the infection can differ between hosts. recently, s. destruens has been associated with the most invasive cyprinid species in europe, topmouth gudgeon pseudorasbora parva. accurat ... | 2011 | 21848122 |
| brain thelohanellosis due to thelohanellus oculileucisci (myxozoa: myxosporea) in gobio gobio. | the first case of a thelohanellus infection in the brain of gudgeons (gobio gobio) is described. the infection was found on three localities in southern bohemia, czechoslovakia. the spores measured 13.2-14.4 x 6.3-7.1 micron. the reasons are discussed for which the species was identified as t. oculileucisci trojan, 1909. | 2012 | 3428769 |
| aeromonas salmonicida subsp. salmonicida strains isolated from chinese freshwater fish contain a novel genomic island and possible regional-specific mobile genetic elements profiles. | two strains of aeromonas salmonicida, yk and bg, were isolated from largemouth bronze gudgeon and northern whitefish in china, and identified as a. salmonicida subsp. salmonicida based on phylogenetic analysis of vapa and 16s rrna gene sequences. yk and bg originated from freshwater fish, one of which belonged to the cyprinid family, and the strains showed a difference in virulence. subsequently, we performed whole genome sequencing of the strains, and comparison of their genomic sequences to th ... | 2016 | 27493011 |
| alterations of the gut microbiome of largemouth bronze gudgeon (coreius guichenoti) suffering from furunculosis. | high-throughput sequencing was applied to compare the intestinal microbiota in largemouth bronze gudgeon either healthy or affected by furunculosis. proteobacteria, actinobacteria, tenericutes, firmicutes and bacteroidetes were detected as the predominant bacterial phyla in the gut of both diseased and healthy fish. the abundance of proteobacteria differed significantly between the two groups of fish, mainly due to the overwhelming prevalence of aeromonas in the diseased fish (81% ± 17%), while ... | 2016 | 27465687 |
| [prevalence of metacercariae of clonorchis sinensis in wild freshwater fishes from nenjiang river around qiqihaer city]. | from may to november 2013, a total of 1175 wild freshwater fishes were collected from the rivers of chuoer, yalu, wuyuer, alun, and yin in nenjiang river basin qiqihaer city, and examined for metacercariae by direct compression method. the metacercariae were collected by artificial digestion method. forty kunming mice were infected with 30-40 metacercariae of clonorchis sinensis. the mice were sacrificed 36 days after infection, and the adult worms were collected from bile duct, and observed und ... | 2014 | 25518594 |
| [nosoareas of clonorchiasis in the primorye territory]. | the mammalian liver parasite (clonorchis sinensis flukes) has spread in the primorye territory. the areas of the first intermediate hosts for the parasite mollusks of the genus parafossarulus have been found to recently become wider south-western predominantly due to lotus acclimatization, resulting in the expansion of a parasite habitation area. the intensity of newly formed foci of clonorchiasis is an order of magnitude greater than that of natural ones and they are a higher hazard since they ... | 2012 | 22774498 |
| helminthofauna of ohrid gudgeon (gobio ohridanus karaman, 1924) from the lake ohrid, macedonia. | total, 94 specimens of gudgeon (gobio ohridanus karaman, 1924) from the macedonian part of the lake ohrid were examined and 61 fishes (64.89%) were infected with parasites. the presence of 4 parasite species was established: dactylogyrus cryptomeres f. typica (monogenea), cystidicoloides tenuissima and philometra ovata (nematoda), and pomphorhynchus laevis (acanthocephala). the highest prevalence and intensity of infection was with dactylogyrus cryptomeres f. typica (59.57%; mean intensity 6.07) ... | 2015 | 25911039 |
| utrastructural observations on goussia metchnikovi (laveran, 1897) in the spleen of gudgeon, gobio gobio l. | the ultrastructure of gamonts and sporulated oocysts of goussia metchnikovi in the spleen of gudgeon, gobio gobio from the river lee, england is described. in developing microgamonts, small amylopectin granules were grouped centrally and nuclei were often arranged peripherally, close to the surface membrane. nuclear chromatin condensed into peripheral dense portions that became the nuclei of flagellated microgametes, released to the parasitophorous vacuole. the cytoplasm of macrogametes had larg ... | 2012 | 22807010 |
| comparative analyses within gyrodactylus (platyhelminthes: monogenea) mitochondrial genomes and conserved polymerase chain reaction primers for gyrodactylid mitochondrial dna. | in this study, we describe the complete mitochondrial genomes of gyrodactylus brachymystacis and gyrodactylus parvae infecting rainbow trout (oncorhynchus mykiss) and the invasive topmouth gudgeon (pseudorasbora parva), respectively. the two circular genomes have a common genome organization found in other gyrodactylus species. comparative analyses of mitochondrial genomes from six gyrodactylus species were carried out to determine base composition, codon usage, transfer rna and ribosomal rna ge ... | 2017 | 27502106 |
| sequence structure and intragenomic variability of ribosomal its2 in monozoic tapeworms of the genus khawia (cestoda: caryophyllidea), parasites of cyprinid fish. | the sequence structure of the ribosomal internal transcribed spacer 2 (its2) was determined for six species of khawia (cestoda: caryophyllidea), parasites of cyprinid fish in the holarctic region. homologous intragenomic its2 structure was found in khawia armeniaca, khawia baltica, and khawia rossittensis; whereas divergent intragenomic its2 copies were detected in chinese, japanese, and slovak isolates of khawia sinensis and in khawia japonensis, both parasitic in common carp, and in khawia sau ... | 2012 | 22814768 |
| associated disease risk from the introduced generalist pathogen sphaerothecum destruens: management and policy implications. | the rosette agent sphaerothecum destruens is a novel pathogen, which is currently believed to have been introduced into europe along with the introduction of the invasive fish topmouth gudgeon pseudorasbora parva (temminck & schlegel, 1846). its close association with p. parva and its wide host species range and associated host mortalities, highlight this parasite as a potential source of disease emergence in european fish species. here, using a meta-analysis of the reported s. destruens prevale ... | 2016 | 27216376 |
| khawia abbottinae sp. n. (cestoda: caryophyllidea) from the chinese false gudgeon abbottina rivularis (cyprinidae: gobioninae) in china: morphological and molecular data. | khawia abbottinae sp. n. is described from the chinese false gudgeon, abbottina rivularis (basilewsky) (cyprinidae: gobioninae), from the yangtze river basin in china. the new species can be distinguished from the congeneric species mainly by the arrangements of the testes, which form two longitudinal bands (other congeneric species have the testes irregularly scattered throughout the testicular region) and their number (at maximum 85 testes versus at least 160 in the other khawia spp.), and the ... | 2013 | 23724733 |
| shifts in the climate space of temperate cyprinid fishes due to climate change are coupled with altered body sizes and growth rates. | predictions of species responses to climate change often focus on distribution shifts, although responses can also include shifts in body sizes and population demographics. here, shifts in the distributional ranges ('climate space'), body sizes (as maximum theoretical body sizes, l∞) and growth rates (as rate at which l∞ is reached, k) were predicted for five fishes of the cyprinidae family in a temperate region over eight climate change projections. great britain was the model area, and the mod ... | 2016 | 26824727 |
| [differences in the infestation rate of young cyprinid fishes (cypriniformes) by metacercaria of posthodiplostomum cuticola (digenea, diplostomatidae) in river and lake systems of the lake chany basin (western siberia)]. | a total of 12 fish species were studied for the invasion of p. cuticola (nordmann, 1832) metacercariae in the chany lake estuaries, river and lake systems during different periods of water level. all infected individuals were represented by juveniles of the family cyprinidae, except for adults of the dace leuciscus leuciscus. (l.). under an average water level (2010) the highest rate of fish invasion was revealed in the estuary zone, where the prevalence of infection (pi) constituted 37.5%, 13.4 ... | 2015 | 25693328 |
| meiobenthos provides a food resource for young cyprinids. | young individuals of the bottom-biting (i.e. sediment-ingesting) common carp cyprinus carpio and gudgeon gobio gobio consumed significant amounts of nematodes in laboratory experiments, whereas the selective-feeding roach rutilus rutilus did not. in mesocosm enclosure experiments in the field, c. carpio strongly decreased the nematode abundance within 4 days, whereas the bottom-biting bream abramis brama did not affect the abundance until after 14 days. in controlled experiments with a known num ... | 2011 | 21235551 |
| differential host utilisation by different life history stages of the fish ectoparasite argulus foliaceus (crustacea: branchiura). | in this study we examine differences in the occurrence of life history stages of the destructive fish ectoparasite argulus foliaceus (l., 1758) on eight fish species (stickleback, rudd, roach, gudgeon, bream, tench, crucian carp and common carp) sampled from a mixed-species recreational fishing lake on nine occasions during late spring and summer. total numbers ofa. foliaceus, as well as the number of larval, juvenile and adult parasite stages, from each fish were recorded along with the fish sp ... | 2008 | 18666418 |
| descriptions, development and pathogenicity of myxozoan (myxozoa: myxosporea) parasites of juvenile cyprinids (pisces: cyprinidae). | approximately 5000 young of the year (0+) cyprinids comprising roach, chub, dace, minnow, bleak, bream, barbel and gudgeon were examined histologically for the presence of myxozoan infections. thirteen myxozoans were identified to species, the majority being myxobolus spp. in addition, two species of myxidium and of sphaerospora were recorded. all organs were examined, with the majority of infections being found in the gills, musculature and kidney. however, isolated spores were occasionally fou ... | 2005 | 16159367 |
| patterns of brain morphology in mid-european cyprinidae (pisces, teleostei): a quantitative histological study. | the present study considers patterns of brain morphology in 14 common species of mid-european cyprinidae. sixteen areas per brain were measured on serial cryostat sections by computer-aided planimetry. the volumes of these areas were expressed as % of the total brain volume. these brain centres (ranked according to falling values of the coefficient of variation vr, of the interspecific mean) are: lobus facialis, l. vagus, central acustic area, crista cerebellaris, bulbus olfactorius, eminentia g ... | 1988 | 3418119 |
| the biotransformation of three 14c-labelled phenolic compounds in twelve species of freshwater fish. | 1. the urinary and biliary excretion of 14c-labelled m-cresol, 1-naphthol and o-chlorophenol were investigated in 12 species of freshwater fish (bitterling, rhodeus sericeus amarus; bream, abramis brama; crucian carp, carassius carassius; goldfish, carassius auratus; gudgeon, gobio gobio; guppy, poecilia reticulata; minnow, phoximus phoximus; perch, perca fluviatilis; roach, rutilus rutilus; rudd, scardinius erythropthalmus; three-spined stickleback, gasterosteus aculeatus; tench, tinca tinca) w ... | 1983 | 6880238 |
| trace metal concentration and fish size: variation among fish species in a mediterranean river. | concentration of trace metals (al, mn, fe, co, ni, cu, zn, cd, pb and as) in the muscle of six fish species was analyzed to determine the variation with fish size and fish species in an iberian river with moderate metal pollution. al, fe and zn were the most abundant metals across sites. fish size and sampling site explained more variation than fish species, and a high intraspecific variability (among individuals) in metal loads was also observed. considering the most spread species, concentrati ... | 2014 | 24946163 |
| habitat use by the fish assemblages of two chalk streams | patterns of habitat use by fish assemblages in two chalk streams in southern england were examined to identify species preferences with respect to major habitat gradients. both study sites, although differing in some physical habitat characteristics, mainly channel width, water temperature and instream cover, could be arranged similarly along a continuum extending from erosional to depositional habitats. twelve fish species were collected from stream surveys conducted during july 1993. the habit ... | 1997 | 9236089 |
| mercury distribution along the food chain of a wetland ecosystem at sanjiang plain, northeast china. | concentrations of total mercury (t-hg) and methylmercury (mehg) in a wetland food chain were determined at majuan island of the sanjiang plain in china. four tissues (muscle, liver, kidney and brain) of three waterbird species (great cormorant, grey heron and great egret), muscle tissues of fish (grass carp, crucian carp and longnose gudgeon), insects (predacious diving beetle), aquatic plants (ditch reed) and soil were analyzed. the mean concentrations of t-hg were 0.392 ± 0.237 mg/kg for tissu ... | 2017 | 27999881 |
| do sewage treatment plant discharges substantially impair fish reproduction in polluted rivers? | sewage treatment plants are frequently associated with the release of xenobiotics and, consequently, with alterations of the reproductive function induced by many of these substances in aquatic organisms. in order to assess the impacts of sewage treatment plant (stp) discharges in polluted rivers, two sentinel species (gudgeon gobio gobio and stoneloach barbatula barbatula) were caught during their reproductive cycle upstream and downstream two stps (stp1--goffontaine, stp2--wegnez). gonadosomat ... | 2007 | 17112566 |
| co-occurrence patterns of some small-bodied freshwater fishes in southwestern france: implications for fish conservation and environmental management. | we assessed the influence of environmental variables (elevation, stream order, distance from source, catchment area, slope, stream width, and fish species richness) on the co-occurrence patterns of the minnow, the stone loach, and the gudgeon at the stream system scale. a total of 474 sites were classified according to the seven variables using the self-organizing map (neural network), and three clusters were detected (k-means algorithm). the frequency of the various fish co-occurrence patterns ... | 2005 | 16201214 |
| content of selected metals in muscle of cyprinid fish species from the nitra river, slovakia. | this study presents a rate of bioaccumulation of some metal concentrations in the muscle of five common cyprinid fish species (gudgeon - gobio gobio, europen chub - leuciscus cephalus, barbel - barbus barbus, roach - rutilus rutilus, and nase - chondrostoma nasus). | 2012 | 23353849 |
| ultrastructural comparative investigations on the hypophysary cells in fresh-water teleosts under natural conditions. the glycoproteic thyreotrope cells. | the structural und ultrastructural characteristics of the glycoproteic hypophysary cells - considered as tsh producers - were studied with optical and electron microscopical means in 7 species of freshwater teleosts: leuciscus cephalus l., barbus meridionalis petényi h., chondrostoma nasus l., gobio gobio carpathicus vlad., phoxinus phoxinus l., nemachylus barbatulus l. and cobitis taenia l., during the reproductive period and in the period of sexual rest. these cells are present in a relatively ... | 1983 | 6649780 |
| kinetic characters and resistance to inhibition of crude and purified brain acetylcholinesterase of three freshwater fishes by organophosphates. | acetylcholinesterase (ache) was purified from the brain of three fresh-water fishes, topmouth gudgeon (pseudorasbora parva), goldfish (carassius auratus auratus) and rainbow trout (oncorrhychus mykiss, formerly named salmo gairdneri) by peg2000/phosphate-salt two phases extraction, deae-sephadex a-50 and sephadex g-200 chromatography. kinetic characters and resistance to inhibition of crude and purified enzymes by organophosphates were then studied. although the crude enzyme from the trout displ ... | 2004 | 15177947 |
| activity of esterases from different tissues of freshwater fish and responses of their isoenzymes to inhibitors. | activity of nonspecific esterase from different tissues (i.e., liver, gallbladder, heart, intestine, and muscle) of five species of freshwater fish, namely, topmouth gudgeon (pseudorasbora parva), goldfish (carassius auratus), nile tilapia (tilapia nilotica), mosquitofish (gambusia affinis), and rainbow trout (salmo gairdneri) was tested using alpha-naphthyl acetate as substrate. the results indicated that activity of the enzyme was mainly concentrated in the digestive system (i.e., intestine, l ... | 1997 | 9176555 |
| correlation between biochemical parameters and susceptibility of freshwater fish to malathion. | acute toxicity (96-h lc50) of malathion was tested using five species of freshwater fish, namely, topmouth gudgeon (pseudorasbora parva), goldfish (carassius auratus), nile tilapia (tilapia nilotica), mosquitofish (gambusia affinis), and rainbow trout (salmo gairdneri). correlation was found between susceptibility and biochemical parameters such as activity of brain acetylcholinesterase (ache) and in vitro resistance of the enzyme to inhibition (ic50) of malaoxon (a major metabolite of malathion ... | 1996 | 8691510 |
| calibration of fisk, an invasiveness screening tool for nonnative freshwater fishes. | adapted from the weed risk assessment (wra) of pheloung, williams, and halloy, the fish invasiveness scoring kit (fisk) was proposed as a screening tool for freshwater fishes. this article describes improvements to fisk, in particular the incorporation of confidence (certainty/uncertainty) ranking of the assessors' responses, and reports on the calibration of the score system, specifically: determination of most appropriate score thresholds for classifying nonnative species into low-, medium-, a ... | 2009 | 19087233 |
| the influence of weight and gender on intestinal bacterial community of wild largemouth bronze gudgeon (coreius guichenoti, 1874). | largemouth bronze gudgeon (coreius guichenoti) is of economic importance in china, distributed in upstream regions of the yangtze river in china. but it has recently dramatically declined and is close to elimination. however, there is little knowing about the character of its intestinal microbiota. this study was conducted to elucidate the intestinal microbiota of wild largemouth bronze gudgeon with different body weight and gender. | 2016 | 27549138 |
| development of twenty-nine polymorphic microsatellite loci from largemouth bronze gudgeon (coreius guichenoti). | | 2014 | 25572062 |
| comparative study of the complete mitochondrial genomes of the bronze gudgeon (coreius heterodon) and largemouth bronze gudgeon (coreius guichenoti). | the bronze gudgeon (coreius heterodon) and the congeneric species largemouth bronze gudgeon (coreius guichenoti), two endemic fish species in china, are important economic fishes in local areas. the bronze gudgeon is distributed in yangtze river and huanghe river basin, whereas the largemouth bronze gudgeon is distributed only in the middle and upper reaches of yangtze river. here, we sequenced the complete mitochondrial genomes of the two species and compared the evolutionary rate differences b ... | 2013 | 23194151 |
| effect of body size on organ-specific mitochondrial respiration rate of the largemouth bronze gudgeon. | the effects of body size on the mitochondrial respiration rate were assessed in the heart, brain, gill, liver, and red muscle of largemouth bronze gudgeon, coreius guichenoti, from the yangtze river. body mass had a significant influence on the state 3 oxygen consumption rate of the mitochondria from the heart, gill, and red muscle. the relationships between body mass (m, g) and state 3 oxygen consumption rate (v(state 3), nmol o min(-1) mg(-1)) of the mitochondria were represented by the follow ... | 2013 | 22995995 |
| aerobic swimming performance of juvenile largemouth bronze gudgeon (coreius guichenoti) in the yangtze river. | largemouth bronze gudgeon (coreius guichenoti), a fish species once abundant in the yangtze river, has been rapidly declining in recent years. one important factor, among many, is the interruption of the free-flowing rivers by dams. to obtain data that can be applied to the design of an effective fishway for c. guichenoti and other species in the fish community, a laboratory study of juvenile c. guichenoti's swimming ability and energetics was conducted in a flume-type respirometer equipped with ... | 2012 | 22511339 |
| effects of body mass and temperature on routine metabolic rate of juvenile largemouth bronze gudgeon coreius guichenoti. | the effects of body mass (m) and temperature (t) on routine metabolic rate (m(r) ) were assessed in the largemouth bronze gudgeon coreius guichenoti, from three gorges reservoir, yangtze river, china. the m(r) increased with increasing m by factors (b-value in the equation m(r) = am(b) ) of 0·843, 0·800, 0·767, 0·788 and 0·822 at 10, 15, 20, 25 and 30° c, respectively. a significant interaction between m and t on m(r) was observed. the variation in the b-value at different t suggests that the b- ... | 2012 | 22471803 |
| genetic diversity in population of largemouth bronze gudgeon (coreius guichenoti sauvage et dabry) from yangtze river determined by microsatellite dna analysis. | largemouth bronze gudgeon (coreius guichenoti sauvage et dabry 1874), one of the endemic fish species in the upper reaches of the yangtze river in china, is a benthic and potamodromous fish that is typically found in rivers with torrential flow. three dams in the yangtze river, ertan dam, three gorges dam and gezhouba dam, may have had vital impacts on the habitat and spawning behaviors of largemouth bronze gudgeon, and could ultimately threaten the survival of this fish. we studied the populati ... | 2010 | 21317547 |
| the complete mitogenome of an australian carp gudgeon, hybridogenetic biotype hahb (hypseleotris: eleotridae). | the complete mitochondrial genome was determined for a member of the australian carp gudgeon species complex (hypseleotris: eleotridae). the 16 506 bp genome was recovered by direct shotgun sequencing of a wild-caught f1 hybrid male, and it contains the typical vertebrate arrangement of 13 protein-coding genes, 22 trna genes, 2 rrna genes, and a control region. this is the first published mitogenome for the genus hypseleotris and will be useful for evolutionary studies of the carp gudgeon comple ... | 2016 | 26643618 |
| interactions between water temperature and contaminant toxicity to freshwater fish. | warming of freshwaters as a result of climate change is expected to have complex interactions with the toxicity of contaminants to aquatic organisms. the present study evaluated the effects of temperature on the acute toxicity of endosulfan, chlorpyrifos, and phenol to 3 warm water species of fish-silver perch, rainbowfish, and western carp gudgeon-and 1 cold water species, rainbow trout. endosulfan was more toxic to silver perch at 30 °c and 35 °c than at 15 °c, 20 °c and 25 °c during short exp ... | 2015 | 26033197 |
| contrasting patterns of larval mortality in two sympatric riverine fish species: a test of the critical period hypothesis. | understanding the causal mechanisms that determine recruitment success is critical to the effective conservation of wild fish populations. although recruitment strength is likely determined during early life when mortality is greatest, few studies have documented age-specific mortality rates for fish during this period. we investigated age-specific mortality of individual cohorts of two species of riverine fish from yolksac larvae to juveniles, assaying for the presence of a "critical period": a ... | 2014 | 25299441 |
| ontogeny of critical and prolonged swimming performance for the larvae of six australian freshwater fish species. | critical (<30 min) and prolonged (>60 min) swimming speeds in laboratory chambers were determined for larvae of six species of australian freshwater fishes: trout cod maccullochella macquariensis, murray cod maccullochella peelii, golden perch macquaria ambigua, silver perch bidyanus bidyanus, carp gudgeon hypseleotris spp. and murray river rainbowfish melanotaenia fluviatilis. developmental stage (preflexion, flexion, postflexion and metalarva) better explained swimming ability than did length, ... | 2014 | 24814314 |
| testing strength of biotic resistance against an introduced fish: inter-specific competition or predation through facultative piscivory? | biotic resistance is the process where aspects of the receiving environment inhibit the establishment and invasion of an introduced species. resistance against an introduced fish can be through strong competition and/or predation from resident fishes. here, the biotic resistance against introduced topmouth gudgeon pseudorasbora parva (a highly invasive fish in europe) by resident carp cyprinus carpio was tested in experimental mesocosms. the introduction scenario was six adult p. parva (three ma ... | 2012 | 22363711 |
| morphological, physiological and behavioural response patterns of carp gudgeon hypseleotris spp. to food deprivation: implications for assessing health. | morphological (growth, fulton's condition factor), physiological (per cent dry mass, total lipid content) and behavioural (activity levels) response patterns of carp gudgeon hypseleotris spp. were examined in response to food deprivation during a 56 day experiment. considerable variability in the nature and magnitude of these response patterns was observed, suggesting that caution should be taken when interpreting changes in the health of small-bodied fishes based on individual response variable ... | 2012 | 22220900 |
| cytonuclear evidence for hybridogenetic reproduction in natural populations of the australian carp gudgeon (hypseleotris: eleotridae). | although most vertebrates reproduce sexually, a small number of fishes, amphibians and reptiles are known in which reproduction is asexual, i.e. without meiotic recombination. in fishes, these so-called unisexual lineages usually comprise only females and utilize co-occurring males of a related sexual species to reproduce via gynogenesis or hybridogenesis. here, we examine patterns of microsatellite and mitochondrial dna (mtdna) variation in a widespread group of freshwater fishes (carp gudgeons ... | 2011 | 21777320 |
| spatially explicit modeling of habitat dynamics and fish population persistence in an intermittent lowland stream. | in temperate and arid climate zones many streams and rivers flow intermittently, seasonally contracting to a sequence of isolated pools or waterholes over the dry period, before reconnecting in the wetter parts of the year. this seasonal drying process is central to our understanding of the population dynamics of aquatic organisms such as fish and invertebrates in these systems. however, there is a dearth of empirical data on the temporal dynamics of such populations. we describe a spatially exp ... | 2009 | 19425435 |
| feeding of an iberian stream cyprinid assemblage: seasonality of resource use in a highly variable environment. | food resource use by seven cyprinids from an iberian stream was analysed over 9 months. differences in food resource use were found both between species and within species between seasons. plant material was a more important food for carp, nase, goldfish and barbel than for gudgeon, roach and chub, irrespective of the season. chironomid larvae were the staple animal food for the former five species throughout the year. roach and chub, especially the latter, displayed large seasonal variations in ... | 1993 | 28313422 |
| microhabitat use in a mediterranean riverine fish assemblage : fishes of the lower matarraña. | over a 22 month period barbus graellsii, chondrostoma toxostoma, cyprinus carpio, esox lucius, gobio gobio, and leuciscus cephalus displayed non-random microhabitat use in the rio mattarraña, spain and generally were overrepresented in deep microhabitats with low or undetectable flow velocities. substrate composition did not strongly affect microhabitat use outside of its covariation with depth and velocity. most seasonal differences in microhabitat use were attributable to seasonal changes in m ... | 1987 | 28311964 |
| zooplankton community structure driven by vertebrate and invertebrate predators. | a zooplankton community was established in outdoor experimental ponds, into which a vertebrate predator (topmouth gudgeon: pseudorasbora parva) and/or an invertebrate predator (phantom midge larva: chaoborus flavicans) were introduced and their predation effects on the zooplankton community structure were evaluated. in the ponds which had chaoborus but not fish, small- and medium-sized cladocerans and calanoid copepods were eliminated while rotifers became abundant. a large-sized cladoceran daph ... | 1989 | 28312636 |
| ecological fish production in two small lowland rivers in poland. | estimates were made of the ecological fish production in two small lowland rivers uninhabited by salmonids. eight sites were examined in the utrata river drainage basin, and five in the zalewka brook. nets were placed at the upper and lower limits of each site and fish were captured using electrofishing apparatus; at the four sites estimates of fish density were verified by the use of rotenone. twelfe fish species were found, the following being dominant: three-spined stickleback, gasterosteus a ... | 1981 | 28309940 |
| a new species of the blind cave gudgeon milyeringa (pisces: gobioidei, eleotridae) from barrow island, western australia, with a redescription of m. veritas whitley. | a new species of the eyeless eleotrid genus milyeringa is described from wells sunk on barrow island, western australia. milyeringa justitia n. sp. is the third species of the genus to be named. morphological data and cytochrome c oxidase subunit i (coi) dna sequence data from a wide sample of localities at which the genus occurs was used to evaluate relationships and species limits. milyeringa veritas is redescribed, and m. brooksi is synonymised with m. veritas. the unique form and ecology of ... | 2013 | 24758799 |
| permanent genetic resources added to molecular ecology resources database 1 april 2012 - 31 may 2012. | this article documents the addition of 123 microsatellite marker loci to the molecular ecology resources database. loci were developed for the following species: brenthis ino, cichla orinocensis, cichla temensis, epinephelus striatus, gobio gobio, liocarcinus depurator, macrolophus pygmaeus, monilinia vaccinii-corymbosi, pelochelys cantorii, philotrypesis josephi, romanogobio vladykovi, takydromus luyeanus and takydromus viridipunctatus. these loci were cross-tested on the following species: cic ... | 2012 | 22898144 |
| dissolved organic carbon reduces uranium bioavailability and toxicity. 2. uranium[vi] speciation and toxicity to three tropical freshwater organisms. | the influence of dissolved organic carbon (doc) on the toxicity of uranium (u) to three australian tropical freshwater species, the northern trout gudgeon (mogurnda mogurnda), green hydra (hydra viridissima) and unicellular green alga (chlorella sp.) was assessed. exposures were conducted in synthetic soft water without doc and with doc added in the form of standard suwannee river fulvic acid (srfa). organisms were exposed to a range of u concentrations at a range of doc concentrations (0-20 mg ... | 2011 | 21351800 |
| application of environmental dna analysis to inform invasive fish eradication operations. | environmental dna (edna) detection of non-native species has considerable potential to inform management decisions, including identifying the need for population control and/or eradication. an invasive species of european concern is the asian cyprinid fish, topmouth gudgeon (pseudorasbora parva). here, edna analyses were applied at a commercial angling venue in southern england to inform operations aiming to eradicate p. parva, which had only ever been observed in one of the venue's seven unconn ... | 2017 | 28357478 |
| de novo assembly, characterization and annotation for the transcriptome of sarcocheilichthys sinensis. | the chinese lake gudgeon sarcocheilichthys sinensis is a small cyprinid fish with great aquaculture potential both for its edible and ornamental values. nevertheless, available genomic and transcriptomic information for this fish is extremely deficient. in this study, a normalized cdna library was constructed using 13 mixed tissues of an adult male s. sinensis, and was sequenced by the illumina hiseq2500 platform. de novo assembly was performed using 38,911,511 obtained clean reads, and a total ... | 2017 | 28196101 |
| medium- and long-term effects of estrogenic contaminants on the middle river po fish community as reconstructed from a sediment core. | recent studies showed that endocrine active compounds (eds) capable to induce fish gonadal histopathologies, plasma vitellogenin and thyroid disruption, are transported by the river lambro to the river po, potentially affecting the fish community of the main italian river. to assess whether fish relative abundance, composition and health were impaired by the river lambro, a 3-year survey was undertaken in the main river. results showed that the tributary supports in the river po a denser fish co ... | 2016 | 27655388 |
| micronuclei and dyskaryosis of erythrocytes and oxidative stress response with endosulfan exposure in topmouth gudgeon pseudorasbora parva. | endosulfan is a chlorinated and genotoxic insecticide extensively used worldwide in agriculture. however, residues of endosulfan can be detected in farmland soil and natural water. in this study, toxic effects of endosulfan were studied by measuring micronuclei and dyskaryosis in peripheral erythrocytes of topmouth gudgeon (pseudorasbora parva). in addition, liver antioxidant enzyme activity and lipid peroxidation level were measured. p. parva were exposed to control and 5 doses (0.12, 0.16, 0.2 ... | 2016 | 27619353 |
| laboratory and field validation of a simple method for detecting four species of non-native freshwater fish using edna. | this paper presents the first phase in the development and validation of a simple and reliable environmental (e)dna method using conventional pcr to detect four species of non-native freshwater fish: pumpkinseed lepomis gibbosus, sunbleak leucaspius delineatus, fathead minnow pimephales promelas and topmouth gudgeon pseudorasbora parva. the efficacy of the approach was demonstrated in indoor tank (44 l) trials in which all four species were detected within 24 h. validation was through two field ... | 2016 | 27465299 |
| predicting global invasion risks: a management tool to prevent future introductions. | predicting regions at risk from introductions of non-native species and the subsequent invasions is a fundamental aspect of horizon scanning activities that enable the development of more effective preventative actions and planning of management measures. the asian cyprinid fish topmouth gudgeon pseudorasbora parva has proved highly invasive across europe since its introduction in the 1960s. in addition to direct negative impacts on native fish populations, p. parva has potential for further dam ... | 2016 | 27199300 |
| the complete mitochondrial genome sequence of squalidus japonicus coreanus (teleostei, cypriniformes, cyprinidae). | the short-barbel gudgeon squalidus japonicus coreanus (teleostei, cypriniformes, cyprinidae) is a subspecies of s. japonicus, and is endemic to korea. the complete mitochondrial genome sequence consisted of 16 597 base pairs (bp) encoding 13 protein-coding genes (pcgs), two ribosomal rnas (rrnas), 22 transfer rnas (trnas), and two non-coding regions. the overall base composition of s. japonicus coreanus was g + c: 47.4% and a + t: 52.6%, apparently with a slight at bias. phylogenetic analysis sh ... | 2016 | 26329666 |
| phenotypic variation as an indicator of pesticide stress in gudgeon: accounting for confounding factors in the wild. | the response of organisms to environmental stress is currently used in the assessment of ecosystem health. morphological changes integrate the multiple effects of one or several stress factors upon the development of the exposed organisms. in a natural environment, many factors determine the patterns of morphological differentiation between individuals. however, few studies have sought to distinguish and measure the independent effect of these factors (genetic diversity and structure, spatial st ... | 2015 | 26327641 |
| complete mitochondrial genome of the korean endemic species microphysogobio yaluensis (teleostei, cypriniformes, cyprinidae). | in this study, we sequenced the complete mitochondrial genome of the korean endemic species microphysogobio yaluensis (teleostei, cypriniformes, cyprinidae). the mitogenome, consisted of 16 601 base pairs (bp), encoding 13 protein-coding genes (pcgs), 2 ribosomal rnas (rrnas), 22 transfer rnas (trnas) and 2 non-coding regions. the overall base composition of m. yaluensis was g + c: 43.8%, a + t: 56.2%, apparently with a slight at bias. phylogenetic analysis showed that m. yaluensis was close to ... | 2016 | 26260172 |
| patterns of trophic niche divergence between invasive and native fishes in wild communities are predictable from mesocosm studies. | ecological theory attempts to predict how impacts for native species arise from biological invasions. a fundamental question centres on the feeding interactions of invasive and native species: whether invasion will result in increased interspecific competition, which would result in negative consequences for the competing species, or trophic niche divergence, which would facilitate the invader's integration into the community and their coexistence with native species. here, the feeding interacti ... | 2015 | 25732893 |
| temporal distribution of accumulated metal mixtures in two feral fish species and the relation with condition metrics and community structure. | the present study investigated temporal influences on metal distribution in gudgeon (gobio gobio) and roach (rutilus rutilus), and its relation to condition metrics and fish community structure. fish communities were sampled in two seasons (autumn and spring) during two successive years and the index of biotic integrity (ibi) was calculated. cadmium, cu, pb, zn and as concentrations were measured in gill, liver, kidney and muscle, and condition factor (cf) and hepatosomatic index (hsi) were meas ... | 2015 | 25497305 |
| invasibility of mediterranean-climate rivers by non-native fish: the importance of environmental drivers and human pressures. | invasive species are regarded as a biological pressure to natural aquatic communities. understanding the factors promoting successful invasions is of great conceptual and practical importance. from a practical point of view, it should help to prevent future invasions and to mitigate the effects of recent invaders through early detection and prioritization of management measures. this study aims to identify the environmental determinants of fish invasions in mediterranean-climate rivers and evalu ... | 2014 | 25372284 |
| mitochondrial genome of the sucking disc gudgeon, discogobio yunnanensis (teleostei, cypriniformes). | the complete mitochondrial genome of discogobio yunnanensis was determined using the polymerase chain reaction and directly sequenced with the primer walking method. the whole mitogenome was 16,602 bp in length, consisting of 13 protein-coding genes, 22 transfer rna (trna) genes, 2 ribosomal rna (rrna) genes and 1 control region. it had the typical circular molecule structure of vertebrate's mitogenome. the whole base composition was estimated to be 32.10% a, 26.79% t, 25.95% c, 15.16% g with at ... | 2016 | 25162381 |
| re-description of the gudgeon species saurogobio gracilicaudatus yao & yang in luo, yue & chen, 1977 (teleostei: cyprinidae) from the chang-jiang basin, south china, with a note on its generic classification. | saurogobio gracilicaudatus, originally described from the middle yangtze river (chang-jiang in chinese) basin at yichang and guanghua (now laohekou), hubei province, south china, is here re-described, with particular concern for oromandibular structures in the mouth. it is uniquely distinguishable from all other species of saurogobio in having a rostral cap with a slightly crenulated median portion, lips covered with brush-like, conical papillae, and a lower lip with a small, smooth and protrude ... | 2014 | 25112340 |
| genetic heterogeneity reveals on-going speciation and cryptic taxonomic diversity of stream-dwelling gudgeons (teleostei, cyprinidae) in the middle danubian hydrosystem (hungary). | although stream-dwelling gudgeons (cyprinidae, genus: gobio) are widespread in central europe, the taxonomy of this group and the distribution of its species are still unexplored in detail. the aims of our study are to ascertain taxonomic composition and distribution of the former gobio gobio superspecies in the inner area of the carpathian basin. since the presence of cryptic species is suspected in this area, we examined the taxonomic and phylogenetic relationships of central european gobio ta ... | 2014 | 24824751 |
| the complete mitochondrial genome of the southern purple-spotted gudgeon mogurnda adspersa (perciformes: eleotridae) through pyrosequencing. | the complete mitochondrial genome of the critically endangered southern purple-spotted gudgeon, mogurnda adspersa, was determined for the first time using 1/8 of a 454 pyrosequencing plate. the mitogenome was assembled using the bioinformatic software mira. the m. adspersa genome organization was very similar to most vertebrates, being 16,523 bp in length. it contained 13 protein-coding genes, 22 transfer rna, 2 ribosomal rna genes, and 1 non-coding control region. the current methodology was ef ... | 2016 | 24660924 |
| mitochondrial genome of silver gudgeon, squalidus argentatus (teleostei, cypriniformes). | in this paper, we first determined the complete mitochondrial genome sequence of squalidus argentatus, which was 16,607 bp in size and the whole base composition was estimated to be 30.48% a, 25.45% t, 27.36% c, 16.72% g with at bias of 55.93%. the complete mitogenome comprised 13 protein-coding genes, 22 transfer rna (trna) genes, 2 ribosomal rna (rrna) genes and 1 control region, with the gene order and content identical to other vertebrate mitogenomes. the complete mitogenome of s. argentatus ... | 2016 | 24450723 |
| mitochondrial genome of the flat-lip gudgeon, platysmacheilus exiguus (teleostei, cypriniformes). | the complete mitogenome of an endemic fish in china flat-lip gudgeon, platysmacheilus exiguous, was determined using the polymerase chain reaction and directly sequenced with the primer walking method. the whole mitogenome was 16,604 bp in length, consisting of 13 protein-coding genes, 22 transfer rna (trna) genes, 2 ribosomal rna (rrna) genes and 1 control region. it had the typical circular molecule structure of vertebrate's mitogenome. the whole base composition was estimated to be 30.77%a, 2 ... | 2016 | 24450708 |
| the complete mitochondrial genome sequence of silver gudgeon (gnathopogon argentatus). | the complete mitochondrial genome of gnathopogon argentatus was determined to be 16,607 bp long circular molecule with a typical gene arrangement of vertebrate mitochondrial dna. the complete mitochondrial genome of g. argentatus is 16,607 bp in length with 56.02% at content, including 13 protein-coding genes, 22 trna genes, 2 rrna genes and 1 control region. the complete mitochondrial genome of g. argentatus was obtained for the first time and would play an important role in population structur ... | 2016 | 24438311 |
| the complete mitochondrial genome of chinese lizard gudgeon, saurogobio dabryi (cypriniformes: cyprinidae). | saurogobio dabryi is a small-sized benthopelagic fish species in the famally cyprinidae. in the present study, the complete mitochondrial genome of s. dabryi was determined. the complete mitochondrial genome of s. dabryi was 16,601 bp in length with the overall nucleotide base composition of a (29.66%), t (26.50%), g (16.80%) and c (27.04%), as well as an at content of 56.16%. it contained 13 protein-coding genes, 2 rrna genes, 22 trna genes, a control region and an l-strand replication origin ( ... | 2015 | 24409930 |
| complete mitochondrial genome sequence of romanogobio tenuicorpus (amur whitefin gudgeon). | amur whitefin gudgeon (romanogobio tenuicorpus) belongs to the family cyprinidae, it is freshwater aquaculture species in china. in the report, we determined the complete mitochondrial genome sequence of romanogobio tenuicorpus, which is 16,600 bp long circular molecule with 13 protein-coding genes, 22 trna genes, 2 rrna genes and a control region, the conserved sequence blocks, csb1, csb2 and csb3 were also detected. | 2015 | 24409923 |
| the complete mitochondrial genome of hainan gudgeon sarcocheilichthys hainanensis nichols & pope (cypriniformes: cyprinidae). | in this study, the complete mitogenome sequence of cyprinid fish, hainan gudgeon sarcocheilichthys hainanensis nichols & pope, 1927 (cypriniformes: cyprinidae) has been amplified and sequenced by employing long polymerase chain reaction method. the mitogenome, consisting of 16,674 base pairs (bp), had the typical vertebrate mitochondrial gene arrangement, including 13 protein-coding genes, 22 transfer rnas, 2 ribosomal rnas genes and a noncoding control region (cr). cr of 1004 bp length is locat ... | 2015 | 24409890 |
| complete mitochondrial genome of the chinese lizard gudgeon, saurogobio dabryi (teleostei: cypriniformes: cyprinidae). | the chinese lizard gudgeon, saurogobio dabryi bleeker, belongs to the subfamily gobioninea, which is an economic fish widely distributed in east asia. in this study, we sequenced the complete mitochondrial genome of the s. dabryi. the complete mitogenome was 16,601 bp in size, consisting of 13 protein-coding genes, 22 transfer rna (trna) genes, 2 ribosomal rna (rrna) genes and 1 control region. it has the typical circular molecule structure of vertebrate's mitochondrial genome. the whole base co ... | 2015 | 24409846 |
| wild gudgeons (gobio gobio) from french rivers are contaminated by microplastics: preliminary study and first evidence. | marine ecosystem contamination by microplastics is extensively documented. however few data is available on the contamination of continental water bodies and associated fauna. the aim of this study was to address the occurrence of microplastics in digestive tract of gudgeons (gobio gobio) from french rivers. these investigations confirm that continental fish ingested microplastics while 12% of collected fish are contaminated by these small particles. further works are needed to evaluate the occu ... | 2014 | 24295902 |