Clinostomum complanatum (Digenea, Clinostomidae) density in Rhamdia quelen (Siluriformes, Pimelodidae) from South Brazil
نویسندگان
چکیده
منابع مشابه
A large-scale molecular survey of Clinostomum (Digenea, Clinostomidae)
Submitted: 21 July 2014 Accepted: 9 November 2014 doi:10.1111/zsc.12096 Locke S.A., Caffara M., Marcogliese D.J., Fioravanti M.L. (2015). A large-scale molecular survey of Clinostomum (Digenea, Clinostomidae). —Zoologica Scripta, 44, 203–217. Members of the genus Clinostomum Leidy, 1856 are parasites that mature in birds, with occasional reports in humans. Because morphological characters for r...
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Five specimens of Rhamdia quelen collected from the Lindóia Stream, PR, Brazil, were cytogenetically analyzed. The diploid chromosome number found was 58, including 30 metacentric, 16 submetacentric, 10 subtelocentric, and 2 acrocentric chromosomes. Supernumerary or B chromosomes, frequently observed in this fish group, were not detected. One of the individuals was triploid, with 3n = 87. A sil...
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Clinostomidae are digeneans characterized by a complex taxonomic history, continuously under revision based on both morphological and molecular analysis. Among the 14 species considered valid so far Clinostomum phalacrocoracis has been well described only at the adult stage, whereas the morphology of the metacercarial stage has been reported only once. During a parasitological survey carried ou...
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The pimelodid fish Rhamdia quelen (Quoy et Gaimard, 1824) in South America harbours two species of proteocephalid cestodes, Proteocephalus bagri Holcman-Spector et Mañé-Garzón, 1988 and P. rhamdiae Holcman-Spector et Mañé-Garzón, 1988. These species are redescribed based on a detailed morphological study, supported by multivariate analysis (principal component analysis). Features distinguishing...
متن کاملActivity patterns of South American silver catfish (Rhamdia quelen).
The South American silver catfish (Rhamdia quelen) is a widely distributed species in Central and South America in areas east of the Andes between Venezuela and the northern parts of Argentina. The bottom dwelling species occurs in lakes and reservoirs as well as in rivers. Between June 2000 and December 2001, sixteen silver catfish were tracked during fourteen 24-h cycles in two-hour-intervals...
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ژورنال
عنوان ژورنال: Brazilian Archives of Biology and Technology
سال: 2005
ISSN: 1516-8913
DOI: 10.1590/s1516-89132005000500016