Presencia de formas parasitarias en peces comerciales del mar peruano

The ocurrence of Diphyllobothriidae plerocercoids larval and Anisakidae larva infections in five commercial sea fishes Trachurus symmetricus murphyi "jurel", Sarda sarda chiliensis "bonito", Mugil cephalus "lisa", Odontesthes regia regia "pejerrey" and Sciaena deliciosa "loma"; was evaluated. The specimens were collected at Callao between April and June 1997. The frequency of Diphyllobothrium sp. larvae was 4.29% (3170) in Jurel and of Anisakidae larvae was 8.6% (6170), 47 .1 % (33170) and 20% ( 14/ 70) in jurel, bonito and lisa, respectively. The Anisakidae larvae were Anisakis simplex (Anisakis Type 1 larva), Anisakis physeteris (Anisakis Type 11 larva), Hysterothylacium aduncum and Contracaecum sp. Other parasite larval identified included Corynosoma obtuscens, Tentacularia coryphaenae, Nybelinia sp. and Proletus sp.