Apiosoma piscicola (Ciliophora, Peritrichia, Sessilida) asociado a piel y branquias de ciprínidos en condiciones de cultivo en Michoacan, México

Abstract

AN ECTOPARASITOLOGICAL STUDY OF CYPRINUS CARPIO RUBROFRUSCUS (BIG BELLY CARP) CULTIVATED IN RUSTIC PONDS IN THE FISH FARM ""MORELOS"" OF ZACAPU, MICH., MEXICO WAS UNDERTAKEN. APIOSOMA PSCICOLA WAS THE IDENTIFIED SPECIES IN 14 OF THE 256 FISHES COLLECTED IN SIX SAMPLES. THIS CILIATE APPEARED EXCLUSIVELLY IN JANURY WHERE THE CONDITION AND IMMUNE RESPONSE OF THE FISHES IS WEAK. THE PREVALENCE AND ABUNDANCE IN THE HOST WAS CERO IN THE ADULTS, HAD LOW VALUES IN THE BROOD AND HIGH VALUES IN THE YOUNG FISHES. THE PARASITES ESPECIFIC HABITAT WERE THE GILLS WHERE ITS NUMBER WERE THREE TIMES MORE ABUNDANT THAN IN THE SKIN. A. PSCICOLA IS A EURITOPIC SPECIES FOUND IN SEVERAL LOCATIONS WITH PREFERENCE FOR ONE OF THEM.