[puhp-fish] 
) -fish, (especially referring to two or more kinds or species) -fish⋅es. | any of several tiny, stout killifishes of the genus Cyprinodon, inhabiting marshy waters in arid areas of western North America: several species are endangered. |
| pup·fish (pŭp'fĭsh') n. pl. pupfish or pup·fish·es Any of various small killfishes of the genus Cyprinodon, inhabiting desert springs and streams of Mexico and the southwest United States. |