Abstract

NASCIMENTO-JUSTO, Márcia Cristina  and  KOHN, Anna. Notes on helminth parasites of tuna fishes (Scombridae) in Brazil. Rev. Mex. Biodiv. [online]. 2012, vol.83, n.1, pp.285-290. ISSN 2007-8706.

Four species of Scombridae from the coast of Rio de Janeiro, southwest Atlantic Ocean were found to be parasitized with species of Didymozoidae (Digenea): Thunnus atlanticus (Lesson) a new host record for Nephrodidymotrema ahi Yamaguti, 1970, Didymocystis neothunni (Yamaguti, 1970), and Didymozoon longicolle (Yamaguti, 1970); Thunnus obesus (Lowe) parasitized by Didymozoon longicolle and reported as a new host for Nephrodidymotrema ahi; Thunnus albacares (Bonaterre) parasitized by Nephrodidymotrema ahi, and Katsuwonus pelamis (Linnaeus) by Didymozoon longicolle. Measurements, figures, and parameters of infection are presented.

Keywords : Thunnus atlanticus; Thunnus albacares; Thunnus obesus; Katsuwonus pelamis; Digenea; Didymozoidae; Brazil.

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