seen in numerous families and species of fishes of commercial importance, in tropical and
subtropical waters, attached on the body surface, in the mouth or on the gills of their hosts
(BRUSCA, 1981; BUNKLEYWILLIAMS; WILLIAMS, 1998; LESTER; ROUBAL, 2005). Some
cymothoids form pouches in the lateral musculature of few freshwater and marine fishes; are
highly host and site specific (BRUSCA, 1981; BUNKLEY-WILLIAMS; WILLIAMS, 1998). They …