METAZOÁRIOS PARASITAS DAS NARINAS DO TAMBAQUI Colossoma macropomum (CUVIER, 1818) (CHARACIFORMES: CHARACIDAE) COLETADAS EM LAGOS DE VÁRZEA DA AMAZÔNIA CENTRAL, BRASIL
DOI:
https://doi.org/10.24841/fa.v25i1.386Keywords:
Tambaqui, parasitos, narinasAbstract
Foram analisadas 32 narinas de tambaqui Colossoma macropomum provenientes de diferentes lagos de várzea da Amazônia Central. Do total de peixes examinados 23 estavam parasitados. Os parasitas identificados foram: Rhinoxenus piranhus (Monogenoidea); Clinostomum marginatum (Digenea); Gamidactylus jaraquensis e Rhinergasilus piranhus (Copepoda); Argulus chicomendensi (Branchiura) e uma sanguessuga (Hirudinea). Os maiores índices de parasitismo foram registrados em Gamidactylus jaraquensis. Este é o primeiro relato da ocorrência de Rhinoxenus piranhus, C. marginatum e Rhinergasilus piranhus parasitando C. macropomum.
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