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First Record in Brazil of <i> Epistylis </i> sp. (Ciliophora) Adhered to <i> Argulus </i> sp. (Argulidae), a Parasite of <i> Hoplias aimara </i> (Eritrhinidae)
Universidade Federal do Oeste do Pará (UFOPA), Instituto de Ciências e Tecnologia das águas (ICTA), Santarém, Brasil
Programa de Pós-Graduação em Recursos Aquáticos Continentais Amazônicos (PPGRACAM), Universidade Federal do Oeste do Pará (UFOPA), Instituto de Ciências e Tecnologia das águas (ICTA), Santarém, Brasil
Programa de Pós-Graduação em Ecologia Aquática e Pesca (PPGEAP), Universidade Federal do Pará (UFPA), Belém, Brasil
Embrapa Amapá, Rodovia Juscelino Kubitschek, Macapá, Brasil
- 1 Universidade Federal do Oeste do Pará (UFOPA), Instituto de Ciências e Tecnologia das águas (ICTA), Santarém, Brasil
- 2 Programa de Pós-Graduação em Recursos Aquáticos Continentais Amazônicos (PPGRACAM), Universidade Federal do Oeste do Pará (UFOPA), Instituto de Ciências e Tecnologia das águas (ICTA), Santarém, Brasil
- 3 Programa de Pós-Graduação em Ecologia Aquática e Pesca (PPGEAP), Universidade Federal do Pará (UFPA), Belém, Brasil
- 4 Embrapa Amapá, Rodovia Juscelino Kubitschek, Macapá, Brasil
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Abstract
This paper records the first occurrence of Epistylis sp. on the body surface of Argulus sp. parasitizing Hoplias aimara from the upper Araguari River, in the eastern Amazon region, in the north of Brazil. Of the 16 specimens of H. aimara examined, 93.7% had their pelvic, caudal and pectoral fins and tegument infested by Argulus sp. (n = 73), which in turn were infested by Epistylis sp. The specimens of Epistylis sp. from the body surface of Argulus sp. were analyzed using Scanning Electron Microscopy (SEM). The present study also identified a widening of the geographic distribution of these two species of ectoparasites to the eastern Amazon region of Brazil.
KeywordsParasite EcologyOpportunistic ParasiteRio AraguariEastern Amazon
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