Key to the Species of Cyprinidae

6a. (From 4b.) Dorsal fin rays 9; mouth upturned slightly and very small, not extending posteriorly beyond nare.
pugnose minnow

Opsopoeodus emiliae

6b. (From 4b.) Dorsal fin rays 8; mouth typically terminal or subterminal and extending to or posteriorly to nare, but may be oblique and large.

Click Here