| Family: |
Leuciscidae (Minnows), subfamily: Pogonichthyinae |
| Max. size: |
16 cm TL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
North America: Rio Grande system of Big Bend region in southern Texas, USA; Rucker Canyon and Leslie Creek in extreme southeastern Arizona, USA. Widespread in northern Mexico. |
| Diagnosis: |
|
| Biology: |
Inhabits rocky riffles and adjacent pools of headwaters and creeks (Ref. 86798). Herbivorous, bottom feeder (Contreras-Balderas 1974). Feeds mainly on diatoms, bacteria and algae (Ref. 79012). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 11 October 2018 Ref. (130435)
|
| Threat to humans: |
harmless |
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