S0823300 (stŭd′fĭsh′)n.pl.studfish or stud·fish·es Any of several colorful topminnows of the genus Fundulus of the eastern United States, having orange or red dots on the sides.[stud + fish.]
studfish
(ˈstʌdˌfɪʃ) n (Animals) a type of American minnow or small fish