| Leuciscidae (Minnows), subfamily: Laviniinae |
| 180 cm TL (male/unsexed); max. reported age: 12 years |
|
demersal; freshwater, potamodromous |
| North America: Colorado River drainage in USA (Wyoming, Colorado, Utah, New Mexico, Arizona, Nevada and California) and Mexico. Now mostly restricted to Utah and Colorado; and extirpated from the southern portion of the range by the construction of large dams. |
|
Anal soft rays: 9-9. Scales very small with 76-97, usually 80-87 scales on lateral line and 18-23 scales above lateral line; dorsal fin usually with 9 rays; anal fin with 9 rays (Ref. 86798). |
| Inhabits pools of medium to large rivers. Large individuals usually occur in deep, flowing rocky or sandy pools (Ref. 86798). |
|
Vulnerable (VU); Date assessed: 11 April 2012 (D2) Ref. (130435)
|
| harmless |
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