Myxosporidan Infections in Some Fishes of Iowa*

Abstract

SYNOPSIS. A survey of 617 specimens of fishes representing 8 families in Iowa revealed coelozoic infections by Chloromyxum catostomi, Chloromyxum trijugum , and Myxidium macrocapsulare and histozoic infections by Henneguya exilis and Myxobolus spp. The trophozoite of M. macrocapsulare is described. Descriptive notes supplementary to previous literature are provided for the 3 coelozoic species.