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Type: Articles
Published: 2004-11-22
Page range: 1–8
Abstract views: 56
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Notozothecium janauachensis n. sp. (Monogenoidea: Dactylogyridae) from wild and cultured tambaqui, Colossoma macropomum (Teleostei: Characidae: Serrasalminae) in Brazil

Laboratoire d’Ichtyologie, MNHN, 43 rue Cuvier 75231, Paris, FRANCE
Departamento de Zoologia, Curso de Pós Graduação em Zoologia, UFPR, caixa postal:19020, Curitiba, PR 81531-990, BRAZIL
Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Departamento de Aquicultura UFSC, Rod. SC 404, Km 3, Itacorubi – Florianópolis, SC 88040900, Brazil
Platyhelminthes Amazon Basin Brazil Colossoma macropomum Dactylogyridae fishculture Monogenoidea Notozothecium janauachensis n. sp. Serrasalminae

Abstract

Notozothecium janauachensis n. sp. is described from the gills of naturally-infected tambaqui, Colossoma macropomum, from the Brazilian Amazon. This new species is characterized by possessing a ventral anchor that has an evenly curved, elongate shaft and a short point; a ventral anchor that is larger than dorsal anchor; a dorsal anchor with a shaft that is strongly bent proximally but distally straight; a copulatory organ that forms nearly a complete ring, the distal extremity of which has a feather-shaped extension and the accessory piece has a hook-shaped subterminal flap originating from the distal rod. Notozothecium janauachensis n. sp. was also found parasitizing C. macropomum from fishculture ponds in Southeast of Brazil.

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