Infection and susceptibility of three fish species from the Paraná River, Presidente Epitácio, State of São Paulo, Brazil, to Contracaecum sp. larvae (Nematoda: Anisakidae)

Infection by Contracaecum sp. (Nematoda: Anisakidae) in tucunare (Cichla ocellaris), corvina (Plagioscion squamosissimus) and traira (Hoplias malabaricus) collected from the Parana River near the city of Presidente Epitacio, a region not yet studied in the Sao Paulo State, Brazil, was evaluated. The fishes were captured monthly with net and hook from August/2000 to August/2001 for parasitological analysis. The highest water temperature (26.7 o C to 28.8 o C) and