| Family | Scientific Name | Author | Year | Common Name |
| Leuciscidae | Chrosomus oreas | Cope | 1868 | Mountain Redbelly Dace |
Chrosomus oreas
Unique Characters: Scales very small and thin. Large black spots along back and upper sides. Breeding males are harlequin-colored with a dark black lateral stripe, bright red below, and profusely yellow/golden all over.
Similar Species: None.
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