studfish

noun

Any of several colorful topminnows of the genus Fundulus of the eastern United States, having orange or red dots on the sides.

noun

A kind of killifish, Fundulus (Xenisma) catenatus, 6 or 7 inches long, locally abundant in the Tennessee and Cumberland rivers.

noun

Any one of several species of small American minnows of the genus Fundulus, as F. catenatus.

noun

Any of several species of small American minnows of the genus Fundulus, such as Fundulus catenatus.