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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 92, No. 6, 1997, pp. 755-760
Bioline Code: oc97141
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 92, No. 6, 1997, pp. 755-760

 en A redescription of Riggia paranensis Szidat, 1948 (Isopoda, Cymothoidae) based on thirty-two specimens from curimatid fish of Rio de Janeiro, Brazil, with an emendation of the genus
Paula B Bastos & Vernon E Thatcher

Abstract

Riggia paranensis Szidat, 1948 is redescribed on the basis of 30 female and
2 male specimens collected from the pericardial cavities of the curimatid
fish Cyphocarax (= Curimata) gilberti (Quoy & Gaimard). The fishes were
caught in the Itabapoana River, State of Rio de Janeiro, southeastern
Brazil. The presence of "dwarf" males, as reported by Szidat, was verified.
The fusion of the pleonites and pleotelson in adult females was also
confirmed. The generic diagnosis was emended to include details of the
mouthparts and pleopods.

Keywords
isopod - cymothoid - fish parasite - Brazil

 
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