| the adhesive attitudes of some gill-parasitic capsalid monogeneans. | a description is given of three contrasting adhesive attitudes exhibited by three species of capsalid monogeneans from the gills of three different species of teleost fish from heron island, queensland, australia. the proximal end of the primary lamella of the coral trout, plectropomus maculatus has a wide inner border, free from secondary lamellae, on each flat face. the haptor of trochopus plectropomi is small enough to attach to this flat surface without folding. benedenia sp. 1 attaches itse ... | 1991 | 1795088 |
| on the monogenetic trematode, benedenia seriolae, parasitic on yellow-tail, seriola quinqueradiata. | | 1968 | 5752926 |
| gill parasites of cephalopholis argus (teleostei: serranidae) from moorea (french polynesia): site selection and coexistence. | the distribution and coexistence of gill ectoparasites of 121 specimens of cephalopholis argus bloch et schneider, caught between october 1994 and october 1995, were investigated. adults of the monogenean benedenia sp. and copepod hatschekia sp., the larval caligid copepod caligus sp. (copepodite and chalimus stages), and praniza larvae of the isopod gnathia sp. were found. all species were aggregated within the host population. infracommunities were poor, with only 40.5% of fish infected by two ... | 2001 | 11266133 |
| a new species of benedenia (trematoda: monogenea) from girella nigricans, the opaleye. | | 1955 | 14354522 |
| the capsalidae (monogenea: monopisthocotylea): a review of diversity, classification and phylogeny with a note about species complexes. | the capsalidae are monogeneans parasitizing 'skin', fins and gills of marine fishes. some capsalids are pathogenic to cultivated fish and a few have caused epizootic events. it is a cosmopolitan family with broad host associations (elasmobranchs and teleosts, including sturgeons). approximately 200 capsalid species are placed in nine subfamilies and 44-46 genera, some of which are well known (benedenia, capsala, entobdella, neobenedenia). sturgeons host two capsalid species (nitzschiinae) and 15 ... | 2004 | 15357390 |
| pcr-sscp as a molecular tool for the identification of benedeniinae (monogenea: capsalidae) from marine fish. | pcr-based single strand conformation polymorphism (sscp) analysis was used to characterize monogenean specimens of the subfamily benedeniinae of morphologically uncertain specific status from different marine fish species, using neobenedenia melleni, n. girellae and entobdella corona for comparison. the first internal transcribed spacer (its-1) and the 5' terminal variable region (d1-d3 domains) of the large subunit ribosomal dna (lsrdna) were amplified separately from individual monogeneans, an ... | 2004 | 15652218 |
| effect of water temperature on reproductive development of benedenia seriolae (monogenea: capsalidae) from seriola lalandi in australia. | the monogenean benedenia seriolae (yamaguti, 1934) meserve, 1938 is a major pathogen of farmed yellowtail kingfish seriola lalandi in south australia. to control parasite populations in commercial farms, an understanding of the effect of water temperature on parasite development is vital. this study investigated the effect of water temperature (14, 18, 22 and 26 +/- 0.5 degrees c) on development, growth rates and age at sexual maturity of b. seriolae. five distinct developmental stages, defined ... | 2007 | 17465308 |
| susceptibility and immunity of marine fishes to benedenia ( = epibdella) melleni (maccallum) a monogenetic trematode; natural hosts in the west indies. | | 1947 | 20340897 |
| benedenia noblei, a new monogenetic trematode of the pacific coast rock fish. | | 1946 | 20996743 |
| [investigations on the oncomiracidium of capsalidae (monogenea) (author's transl)]. | a detailed study of the ciliated cells and chetotaxy of the larva of benedenia monticelli (parona y perugia, 1895) parasite of mugil cephalus l. is carried out. observations on the oncomiracidium of trochopus pini (van beneden and hesse, 1863) and entobdella soleae (van beneden and hesse, 1863) reveal a common plan of these structures among those capsalidae. the pattern is different from that observed in the dactylogyroïdea on one hand and polyopisthocotylea on the other hand. the chetotaxic typ ... | 1978 | 727639 |
| metazoan parasite communities of rock cod eleginops maclovinus along southern chilean coast and their use as biological tags at a local spatial scale. | the composition of the metazoan parasite fauna of the rock cod eleginops maclovinus from three locations in southern chile was compared to assess the local spatial variation of the community component of their parasitic faunas. a total of 13 108 metazoan parasites (5267 endoparasites and 7841 ectoparasites) belonging to 34 taxa were collected from 268 specimens of e. maclovinus between october 2008 and march 2009. the populations and community quantitative descriptors were estimated. altogether, ... | 2011 | 22141891 |
| new benedenia species (monogenea: capsalidae) from diagramma labiosum (perciformes: haemulidae) on the great barrier reef, australia, with oncomiracidial descriptions and a report of egg attachment to the host. | abstract the slate sweetlips, diagramma labiosum macleay, 1883 (perciformes: haemulidae), off heron island, great barrier reef, queensland, australia hosts 2 new species of benedenia diesing, 1858 (monogenea: monopisthocotylea: capsalidae). benedenia beverleyburtonae n. sp. infects proximal regions of the primary gill lamellae and gill arches. the adult is characterized by a dorsal vaginal pore anterior to the common genital pore and a voluminous, highly coiled vas deferens. this species also ha ... | 2011 | 21612415 |
| closing the mitochondrial circle on paraphyly of the monogenea (platyhelminthes) infers evolution in the diet of parasitic flatworms. | relationships between the three classes of neodermata (parasitic platyhelminthes) are much debated and restrict our understanding of the evolution of parasitism and contingent adaptations. the historic view of a sister relationship between cestoda and monogenea (cercomeromorphae; larvae bearing posterior hooks) has been dismissed and the weight of evidence against monogenean monophyly has mounted. we present the nucleotide sequence of the complete mitochondrial (mt) genome of benedenia seriolae ... | 2010 | 20493870 |
| looks can deceive: molecular phylogeny of a family of flatworm ectoparasites (monogenea: capsalidae) does not reflect current morphological classification. | the morphological based taxonomy of highly derived parasite groups is likely to poorly reflect their evolutionary relationships. the taxonomy of the monogenean family capsalidae, which comprises approximately 180 species of flatworm parasites that predominantly attach to external surfaces of chondrichthyan and teleost fishes, is based mainly on six morphological characters. the phylogenetic history of the family is largely unknown. we reconstructed the phylogenetic relationships of 47 species in ... | 2009 | 19457457 |
| monogeneans of the grouper epinephelus tauvina (perciformes, serranidae) off moorea, french polynesia, with a description of pseudorhabdosynochus pai n. sp. (monogenea: diplectanidae). | specimens of the greasy grouper epinephelus tauvina (forsskål), caught off moorea, french polynesia, harboured four species of gill monogeneans. the diplectanid pseudorhabdosynochus pai n. sp. is characterised by an extremely big male quadriloculate organ (inner length 77 mum, cone length 15, tube length 47), the largest of all members of the genus, and a sclerotised vagina with a very complex structure, including three secondary chambers instead of one as in most species. pseudorhabdosynochus s ... | 2009 | 19115085 |
| egg-laying patterns and in vivo egg production in the monogenean parasites heteraxine heterocerca and benedenia seriolae from japanese yellowtail seriola quinqueradiata. | egg-laying patterns and egg production in heteraxine heterocerca from the gills and benedenia seriolae from the skin of japanese yellowtail seriola quinqueradiata in japan were investigated in vivo. eggs were collected every 3 h from sexually mature h. heterocerca and b. seriolae infecting 3 s. quinqueradiata kept individually over 3 consecutive days and exposed to alternating periods of illumination and darkness (ld 12:12; light on 06.00, light off 18.00) and maintained at 23.8 +/- 0.1 degrees ... | 2008 | 18700993 |
| parasitic diseases of cultured marine finfishes and their surveillance in china. | more than 40 species of marine fishes are cultured in china and a wide variety of parasites are reported as lethal pathogens of these fishes in culture conditions. in the case of net cages, the culture facilities provides a good substrate for monogenean eggs to become entangled and the intensive aggregation of fishes facilitates the transmission of parasites between hosts. relatively thorough studies on parasitic pathogens of marine fishes in china predominately concern the ciliate cryptocaryon ... | 2007 | 18410079 |
| efficacy of orally administered praziquantel against zeuxapta seriolae and benedenia seriolae (monogenea) in yellowtail kingfish seriola lalandi. | we investigated the efficacy of praziquantel (pzq) administered orally to yellowtail kingfish (seriola lalandi in sea-cage aquaculture in south australia) against the monogeneans zeuxapta seriolae and benedenia seriolae infesting gills and skin, respectively. pzq was administered to fish by surface-coating feed pellets (trial 1) or by direct intubation of the stomach (trial 2). in both trials 4 daily doses were administered: 50 and 75 mg kg(-1) body weight (bw) d(-1) for 6 d, and 100 and 150 mg ... | 2007 | 18062471 |
| [infestation of benedenia sciaenae van beneden, 1856 (monogenea: capsalidae) of cultured meagre (argyrosomus regius)]. | this study was carried out to investigate the reasons for scale loss, hemorrhage and local lesions on the skin of cultured meagre (argyrosomus regius asso, 1801), that are an alternative to the sea bass and sea bream. all of the 40 fish examined (5.63 +/- 0.89 kg in weight, 91.3 +/- 3.6 cm in length) had parasites on the area with lesions and the parasite was identified as benedenia sciaenae van beneden, 1856 (monogenea: capsalidae) after examination. the dimensions of the parasite were measured ... | 2007 | 17471419 |
| effects of temperature, salinity, desiccation and chemical treatments on egg embryonation and hatching success of benedenia seriolae (monogenea: capsalidae), a parasite of farmed seriola spp. | the effects of temperature and salinity on the embryonation period and hatching success of eggs of benedenia seriolae were investigated. temperature strongly influenced embryonation period; eggs first hatched 5 days after laying at 28 degrees c and 16 days after laying at 14 degrees c. the relationship between temperature and embryonation period is described by quadratic regression equations for time to first and last hatching. hatching success was >70% for b. seriolae eggs incubated at temperat ... | 2005 | 15752276 |
| effects of temperature on fecundity in vitro, egg hatching and reproductive development of benedenia seriolae and zeuxapta seriolae (monogenea) parasitic on yellowtail kingfish seriola lalandi. | globally, aquaculture industries involved with commercial culture of kingfish (seriola spp.) experience outbreaks of monogenean parasites, which can cause heavy stock losses. in australia and new zealand, aquaculturists of kingfish seriola lalandi incur financial losses caused by two monogenean species: benedenia seriolae and zeuxapta seriolae which parasitise the skin and gills, respectively. this study provides information on some basic temperature-dependent life-cycle parameters of these prob ... | 2004 | 15722083 |
| migration, site-specificity and development of benedenia lutjani (monogenea: capsalidae) on the surface of its host, lutjanus carponotatus (pisces: lutjanidae). | life-history attributes of the capsalid monogenean benedenia lutjani, a parasite of lutjanus carponotatus from the great barrier reef, queensland, australia, were investigated from experimental infections. oncomiracidia of b. lutjani invaded and attached at any site on the fish, but more commonly invaded body surfaces. immature specimens then migrated to the pelvic fins. development of the reproductive organs of b. lutjani corresponded with migratory movements on the host. parasite aggregation o ... | 2002 | 12003066 |
| attachment-inducing capacities of fish skin epithelial extracts on oncomiracidia of benedenia seriolae (monogenea: capsalidae). | attachment-inducing capacities of skin epithelial extracts of yellowtail, japanese flounder and red sea bream on oncomiracidia of the monogenean benedenia seriolae were examined. clear differences were not detected in the capacity among the fish species, although b. seriolae infects only yellowtail and its congeners in seriola. this suggests that either the capacity is not host specific or host-specific attachment-inducing capacity cannot be detected by the assay method. further, the attachment- ... | 2002 | 11835978 |
| experimental susceptibility of some reef fish species to benedenia lutjani (monogenea: capsalidae), a parasite of lutjanus carponotatus (pisces: lutjanidae). | the susceptibility of species of lutjanid, lethrinid and serranid fish to infection by either larval or post-larval (juvenile and adult) specimens of the capsalid monogenean benedenia lutjani whittington and kearn (1993) was examined experimentally. four species of lutjanids became infected when exposed to larvae of b. lutjani, but three species of lethrinids and four species of serranids were not susceptible to larvae under the same conditions. variability in the intensity of infection by larva ... | 2001 | 11355687 |
| morphology and ultrastructure of the anterior adhesive areas of the capsalid monogenean parasites benedenia rohdei from the gills and b. lutjani from the pelvic fins of lutjanus carponotatus (pisces: lutjanidae). | the anterior adhesive areas of benedenia rohdei from the gills and b. lutjani from the pelvic fins of lutjanus carponotatus at heron island, australia, were studied using scanning and transmission electron microscopy. all specimens were fixed when detached from host tissue. both monogenean species have two disc-like anteroventral attachment organs, each of which has an anterolateral adhesive area divided into three adjacent zones by tegument from the ventral surface of the attachment organ. a ro ... | 1999 | 10227058 |
| hatching rhythms in the the capsalid monogeneans benedenia lutjani from the skin and b. rohdei from the gills of lutjanus carponotatus at heron island, queensland, australia. | spontaneous hatching of eggs of benedenia lutjani and b. rohdei occurred after incubation for 4-6 days and 6-10 days, respectively, at a constant temperature in the range 22-28 degrees c when exposed to natural illumination or to alternating 12-h periods of light and darkness (ld12:12; light on, 06.00 h; light off, 18.00 h). under these conditions, hatching of the eggs of both species was rhythmical, all larvae emerging only during periods of illumination. hatching was not confined to particular ... | 1996 | 9024862 |
| benedeniine capsalid monogeneans from australian fishes: pathogenic species, site-specificity and camouflage. | there are about 70 species of capsalid monogeneans in the benedeniinae worldwide but only about half are described from the diverse fish fauna in the pacific ocean. up to 1992, only five species of benedeniines were known from australia. two potentially destructive species of benedeniines, benedenia seriolae from seriola lalandi and b. sciaenae from argyrosomus hololepidotus from temperate australian waters, are new host and geographic records for these monogeneans. a survey of some fishes from ... | 1996 | 8960215 |