| Family: |
Leuciscidae (Minnows), subfamily: Laviniinae |
| Max. size: |
38 cm TL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
North America: Gila River system (Colorado River drainage) in New Mexico and Arizona, USA. Central America: Sonora, Mexico. |
| Diagnosis: |
Dorsal soft rays (total): 8-8; Anal soft rays: 8-8. Lateral line with 51-83 scales, usually fewer than 70. Dorsal and anal fin usually with 8 rays. First gill arch with 9 or fewer rakers. Scales often darkly outlined (Ref. 86798). |
| Biology: |
Occurs in pools and undercut banks of creeks and small rivers, usually near woody debris. Also found in marshes. Maximum length is presumably about 38 cm TL (Ref. 86798). |
| IUCN Red List Status: |
Endangered (EN); Date assessed: 08 February 2012 (B2ab(ii,iii,iv,v)) Ref. (130435)
|
| Threat to humans: |
harmless |
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