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1.
Braz J Biol ; 75(3): 736-41, 2015 Aug.
Article in English | MEDLINE | ID: mdl-26465733

ABSTRACT

Between March 2010 and August 2011 were necropsied 100 specimens of Sardinella brasiliensis (Steindachner, 1879), from the coast of the State of Rio de Janeiro, Brazil (22°51'S, 43°56'W), to study their community of metazoan parasites. All specimens of S. brasiliensis were parasitized by at least one species of metazoan parasite, with mean of 68.7 ± 71.2 parasites/fish. Eleven species were collected: 3 digeneans, 1 monogenean, 2 cestodes, 3 nematodes and 2 copepods. The digenean Myosaccium ecaude Montgomery was the most abundant, prevalent, and dominant species, representing 72.7% of metazoan parasites collected, showing positive correlation between host's total length and parasite abundance. Total parasite abundance was positively correlated with host's total length. Three pairs of adult endoparasites showed significant positive association and covariation. The parasite community of S. brasiliensis showed dominance by digeneans. Sardinella brasiliensis represents new host record for most found parasite species.


Subject(s)
Cestode Infections/veterinary , Fish Diseases/epidemiology , Fishes , Helminthiasis, Animal/epidemiology , Nematode Infections/veterinary , Trematode Infections/veterinary , Animals , Biodiversity , Brazil/epidemiology , Cestode Infections/epidemiology , Cestode Infections/parasitology , Copepoda/classification , Copepoda/physiology , Female , Fish Diseases/parasitology , Helminthiasis, Animal/parasitology , Male , Nematoda/classification , Nematoda/physiology , Nematode Infections/epidemiology , Nematode Infections/parasitology , Platyhelminths/classification , Platyhelminths/physiology , Trematode Infections/epidemiology , Trematode Infections/parasitology
2.
Mem Inst Oswaldo Cruz ; 94(5): 615-8, 1999.
Article in English | MEDLINE | ID: mdl-10464403

ABSTRACT

Rhamnocercus stichospinus Seamster and Monaco, 1956 (Diplectanidae) parasitic on the sciaenid fish Menticirrhus americanus from the coastal zone of the State of Rio de Janeiro, is redescribed and recorded for the first time in the South American Atlantic Ocean. The generic diagnosis of Rhamnocercus is emended to accommodate the presence of confluent intestinal ceca in R. stichospinus.


Subject(s)
Fishes/parasitology , Parasites/anatomy & histology , Animals
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