/plat"ee fish'/ , n. , pl. ( esp. collectively ) platyfish , ( esp. referring to two or more kinds or species ) platyfishes .
any of several small, yellow-gray freshwater fishes of the genus Xiphophorus, esp. X. variatus, of Mexico: popular in home aquariums, in which the color varies widely. Also called moon platy .
[ see PLATY 2 , FISH ]