| [cytochemical characteristics of the labrocyte-like cells in the capsule of the plerocercoids of triaenophorus nodulosus (pallas, 1781) and diphyllobothrium dendriticum (nitzsch, 1824) cestodes]. | out of six fish species examined (esox lucius, paracottus kessleri, perca fluviatilis, leuciscus leuciscus baicalensis, coregonus autumnalis migratorius, thymallus arcticus baicalensis) labrocyte-like cells were detected in esox lucius, leuciscus leuciscus baicalensis, coregonus autumnalis migratotius. the cells contain large metachromatic granules. histochemical methods revealed in them sulfated and carboxylic acid mucopolysacharides. the amount of labrocyte-like cells in the capsules around pl ... | 1977 | 143258 |
| evidence for an immune response by dace, leuciscus leuciscus, to infections by the cestode caryophyllaeus laticeps. | | 1969 | 5815344 |
| the distribution and host range of species of the blood fluke sanguinicola in british freshwater fish. | the distribution of host range of sanguinicola armata, s. inermis and s. volgensis in british freshwater fish are described. s. inermis has been recorded in carp cyprinus carpio, crucian carp carassius carassius and tench tinca tinca in southern, central and eastern england and in koi carp imported from japan. s. armata has been detected in pike esox lucius and tench and s. volgensis has been found in chub leuciscus cephalus, dace leuciscus leuciscus, perch perca fluviatilis, roach rutilus rutil ... | 1994 | 7706678 |
| caryophyllidean tapeworms (platyhelminthes: eucestoda) from freshwater fishes in japan. | the following caryophyllidean tapeworms were found in freshwater fishes from japan (species reported from japan for the first time marked with an asterisk): family caryophyllaeidae: paracaryophyllaeus gotoi (motomura, 1927) from misgurnus anguillicaudatus (cantor); archigetes sieboldi leuckart, 1878 from pseudorasbora parva (temminck et schlegel) and sarcocheilichthys variegatus microoculus mori (new hosts); family lytocestidae: *caryophyllaeides ergensi scholz, 1990 from tribolodon hakuensis (g ... | 2001 | 11817451 |
| chromosome studies of european cyprinid fishes: interspecific homology of leuciscine cytotaxonomic marker-the largest subtelocentric chromosome pair as revealed by cross-species painting. | leuciscine cyprinids possess a nearly invariant diploid number (2n = 50) with an extremely uniform karyotype comprising of 8 pairs of metacentric, 13-15 pairs of submetacentric and 2-4 pairs of subtelocentric (st) to acrocentric (a) chromosomes. the largest pair is characteristically an st/a element-the 'leuciscine' cytotaxonomic marker. previously, the interspecific homology of this chromosome pair could not be assessed owing to the inability to produce euchromatic or serial banding patterns. i ... | 2008 | 18709543 |
| why do parasitized hosts look different? resolving the "chicken-egg" dilemma. | phenotypic differences between infected and non-infected hosts are often assumed to be the consequence of parasite infection. however, pre-existing differences in hosts' phenotypes may promote differential susceptibility to infection. the phenotypic variability observed within the host population may therefore be a cause rather than a consequence of infection. in this study, we aimed at disentangling the causes and the consequences of parasite infection by calculating the value of a phenotypic t ... | 2009 | 19189131 |
| caryophyllaeides ergensi sp. n. (cestoda: caryophyllidea) from leuciscus leuciscus baicalensis from mongolia. | the tapeworm caryophyllaeides ergensi sp. n. (cestoda: caryophyllidea) is described from leuciscus leuciscus baicalensis from the river selenga basin in mongolia. it differs from the only hitherto recognized species of the genus c. fennica (schneider, 1902), mainly in its extremely long uterus with coils extending anteriorly to anterior half, sometimes up to anterior third of the body of gravid specimens. | 2008 | 2227707 |
| 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 |
| [infection with opistorchis larvae in the fish family cyprinidae in the ob-irtysh river basin in the tyumen region]. | fishes, such as ide (leuciscus idus), dace (leuciscus leuciscus), carpbream (abramis brama), roach (rutilus rutilus), and muvarica (alburnus alburnus), with different frequency and rate of invasion and abundance index were infested with larvae of o. felineus, m. bilis, and p. truncatum. there were the highest rates of fish infection with p. truncatum larvae in the subtaiga zone (the south of the region) and with o. felineus metacercariae in the northern subtaiga and taiga zones. in research, exp ... | 2013 | 23437717 |
| waves affect predator-prey interactions between fish and benthic invertebrates. | little is known about the effects of waves on predator-prey interactions in the littoral zones of freshwaters. we conducted a set of mesocosm experiments to study the differential effects of ship- and wind-induced waves on the foraging success of littoral fish on benthic invertebrates. experiments were conducted in a wave tank with amphipods (gammarus roeseli) as prey, and age-0 bream (abramis brama, b0), age-0 and age-1 dace (leuciscus leuciscus, d0 and d1) as predators. the number of gammarids ... | 2011 | 21104276 |
| cross-species amplification of 41 microsatellites in european cyprinids: a tool for evolutionary, population genetics and hybridization studies. | cyprinids display the most abundant and widespread species among the european freshwater teleostei and are known to hybridize quite commonly. nevertheless, a limited number of markers for conducting comparative differentiation, evolutionary and hybridization dynamics studies are available to date. | 2010 | 20478030 |
| the development of a radioimmunoassay for carp, cyprinus carpio, vitellogenin. | the development of an easily - performed and robust radioimmunoassay (ria) to carp, cyprinus carpio, vitellogenin (c-vtg) is described. purified c-vtg was iodinated using iodogen. the resulting c-vtg label was useful for up to 60 days. high titre antibodies were raised in rabbits to the purified c-vtg. the practical operating range of the c-vtg ria was between 2 and 200 ng. ml(-1). vtg was detected in plasma from all female mirror carp investigated, and all plasmas diluted parallel to the standa ... | 1990 | 24221946 |
| does exposure to domestic wastewater effluent (including steroid estrogens) harm fish populations in the uk? | historic fisheries data collected from locations across the uk over several years were compared with predicted estrogen exposure derived from the resident human population. this estrogen exposure could be viewed as a proxy for general sewage (wastewater) exposure. with the assistance of the environment agency in the uk, fisheries abundance data for rutilis rutilis (roach), alburnus alburnus (bleak), leuciscus leuciscus (dace) and perca fluviatilis (perch) from 38 separate sites collected over 7 ... | 2017 | 28273597 |
| eye fluke-induced cataracts in natural fish populations: is there potential for host manipulation? | manipulation of host phenotype (e.g. behaviour, appearance) is suggested to be a common strategy to enhance transmission in trophically transmitted parasites. however, in many systems, evidence of manipulation comes exclusively from laboratory studies and its occurrence in natural host populations is poorly understood. here, we examined the potential for host manipulation by diplostomum eye flukes indirectly by quantifying the physiological effects of parasites on fish. earlier laboratory studie ... | 2011 | 20800013 |
| effect of wave exposure dynamics on gut content mass and growth of young-of-the-year fishes in the littoral zone of lakes. | total length, body mass and gut content mass of young-of-the-year (yoy) perch perca fluviatilis, dace leuciscus leuciscus and bleak alburnus alburnus were recorded over the summer of 2006 at three littoral sites at upper lake constance. in p. fluviatilis and l. leuciscus, gut content mass correlated positively with wave-induced energy flux (e(f)) of the respective site and sampling day, while no correlation of gut content mass with e(f) was found in a. alburnus. it was assumed that benthivorous ... | 2010 | 20557626 |
| 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 and selenium concentrations in muscle tissue of different species of predatory freshwater fish and correlation between these elements. | concentrations of total mercury and selenium were determined in 49 and 42 muscle tissue samples, respectively, of six species of predatory freshwater fish, dace (leuciscus leuciscus), pike perch (sander lucioperca), pike (esox lucius), european catfish (silurus glanis), rainbow trout (oncorhynchus mykiss) and asp (aspius aspius). muscle selenium concentration did not correlate with the corresponding total mercury concentration (r² < 0.198) in all examined predatory fish species. there was an inv ... | 2012 | 24779785 |
| [analysis of parasitic communities in fishes from lake baikal]. | analysis of infracommunities and component communities of fish parasites in lake baikal has been conducted for the first time. it has been revealed that parasite infracommunities for the majority of baikal fishes are weakly balanced and impoverished (the berger-parker index is > 0.5; evension is < 0.5; the brillouin index is < 1). the highest diversity and balance of the communities are characteristic for carnivorous fishes (brachymystax lenok, hucho taimen, thymallus arcticus, esox lucius, and ... | 2007 | 16755724 |
| feeding habits and ontogenic changes in digestive enzyme patterns in five freshwater teleosts. | feeding habits and the activity of digestive enzymes (total alkaline proteases, α-amylase and lipase) from dace leuciscus leuciscus, roach rutilus rutilus, prussian carp carassius auratus gibelio, perch perca fluviatilis and pikeperch sander lucioperca fry were studied in the malye chany lake-kargat estuary (western siberia, russia). the diet of fry from all studied species was mainly composed of chironomid larvae and zooplanktonic organisms (i.e. cladocera and copepoda), whereas carnivorous spe ... | 2014 | 25199648 |
| morphological and molecular characterization of myxobolus mucosus sp. n. (myxosporea: myxobolidae) with basifilamental sporulation in two cyprinid fishes, rutilus rutilus (l.) and leuciscus leuciscus (l.) in russia. | a new myxobolus species, myxobolus mucosus sp. n., was found in the basifilamental location of roach, rutilus rutilus, and common dace, leuciscus leuciscus, during the investigation of fish myxosporean fauna in finnish bay of baltic sea and lake ladoga in 2014. plasmodia from the two hosts share similar morphometric and morphological features which are whitish and slightly elongated oval and measured 300-500 μm in diameter. mature spores of m. mucosus sp. n. are ellipsoidal in frontal view and l ... | 2016 | 26660693 |
| species-specific responses to landscape fragmentation: implications for management strategies. | habitat fragmentation affects the integrity of many species, but little is known about species-specific sensitivity to fragmentation. here, we compared the genetic structure of four freshwater fish species differing in their body size (leuciscus cephalus; leuciscus leuciscus; gobio gobio and phoxinus phoxinus) between a fragmented and a continuous landscape. we tested if, overall, fragmentation affected the genetic structure of these fish species, and if these species differed in their sensitivi ... | 2010 | 25567925 |
| [metacercaria of cyathocotyle prussica mühling, 1896 (cyathocotylidae, trematoda)]. | cyathocotylid larvae were found in the musculature of gobio gobio and leuciscus leuciscus from the cut-off part of the ishim river (west sibiria). experimental infection of domestic ducklings has shown that the metacercariae are the larvae of c. prussica. they differ from the other known larvae of cyathocotylidae from musculature of fishes of europe and asia in having a larger brandes'organ. | 2007 | 130596 |