| some digenea parasites of tunny from the coast of rio de janeiro state, brazil. | rhipidocotyle pentagonum (ozaki, 1924) is reported for the first time in south america parasitizing auxis thazard and in a new host katsuwonus pelamis. tergestia laticollis (rudolphi, 1819) is reported for the first time in south america and in thunnus albacares, representing a new host record. copiatestes filiferus (leuckart, in sars, 1885) is recorded for the first time in brazil and in thunnus albacares, another new host record. tetrochetus coryphaenae (yamaguti, 1934) is presented for the fi ... | 2002 | 12530181 |
| caballerocotyla lenti n. sp., a capsalid monogenean from auxis thazard (scombridae) from off the southeastern coast of brazil. | caballerocotyla lenti n. sp. (monogenea: capsalidae), recovered from the gills of auxis thazard (lacépède) captured off the coast of rio de janeiro, brazil, is described using light and scanning electron microscopy. the new species is characterized by: a tegument with 2-5 rows of dorso-marginal, unicuspid spines; 53-54 round testes; a constricted pharynx with numerous papillae on its border; and a haptor with a plicate marginal border, a central polygonal area and seven complete septa. c. manter ... | 2002 | 12471438 |
| new data on oncophora melanocephala (nematoda: camallanidae), a little-known parasite of scombrid fishes. | the camallanid nematode oncophora melanocephala (rudolphi, 1819) is redescribed from specimens collected in tunas, thunnus thynnus (l.), t. albacares (bonnaterre), t. atlanticus (lesson) and auxis thazard (lacépède) from the atlantic littoral of rio de janeiro, brazil. in addition to a specific structure of the buccal capsule, the species is characterized by the presence of seven pairs of preanal and five pairs of postanal subventral papillae in the male and by an unusual shape of body in the ad ... | 1999 | 10229943 |