Key to the Species of Pteronotropis

4a. (From 3a.) Dorsal and anal fins in breeding males enlarged but not reaching near the caudal fin when depressed.
sailfin shiner

Pteronotropis hypselopterus

4b. (From 3a.) Dorsal and anal fins in breeding males enlarged and reaching near the caudal fin when depressed.
Apalachee shiner

Pteronotropis grandipinnis