| Family: |
Catostomidae (Suckers), subfamily: Catostominae |
| Max. size: |
80 cm TL (male/unsexed) |
| Environment: |
demersal; freshwater |
| Distribution: |
North America: Gila and Bill Williams River systems (in Colorado River drainage) in New Mexico and Arizona, USA, and northern Sonora, Mexico. Common but decreasing in southern half of range. |
| Diagnosis: |
|
| Biology: |
Inhabits rocky pools of creeks and small to medium rivers. Large individuals occur in rocky riffles and runs at night. |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 12 October 2018 Ref. (130435)
|
| Threat to humans: |
harmless |
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