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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 92, No. 2, 1997, pp. 171-179
Bioline Code: oc97038
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 92, No. 2, 1997, pp. 171-179

 en Redescription of Prosthenhystera obesa (Diesing, 1850) (Callodistomidae, Digenea) with new host records and data on morphological variability
Anna Kohn; Berenice M M Fernandes & Maria de Fatima D Baptista-Farias


Prosthenhystera obesa (Diesing,1850) Travassos, 1922 from the gall bladder
of Astyanax bimaculatus, Caranx gibbosus, Galeocharax humeralis, Leporinus
copelandii, Pimelodus fur, Pseudopimelodus roosevelti, Salminus brevidens,
Salminus maxillosus and from the new hosts, Cynopotamus amazonum and
Triurobrycon lundii is redescribed, demonstrating a large morphological
variation, mainly in body and testes size and shape. New hosts harbouring
immature specimens of P. obesa are presented: Brycon sp., Leporellus
vittatus, Pachyurus squamipinnis, Pimelodus clarias, Pseudoplatystoma
corruscans and Salminus hilarii. Scanning electron microscopy
micrographies, original figures and measurements of adult and immature
specimens from different Brazilian hosts and localities are presented.

Prosthenhystera obesa - scanning electron microscopy - freshwater fish parasites - Brazil

© Copyright 1997 Fundacao Oswaldo Cruz
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