| Family: |
Characidae (Characins; tetras), subfamily: Stethaprioninae |
| Max. size: |
10 cm TL (male/unsexed) |
| Environment: |
benthopelagic; freshwater; pH range: 6 - 7.80000019073486; dH range: 30, non-migratory |
| Distribution: |
North America: Mexico. |
| Diagnosis: |
|
| Biology: |
A blind cave fish that recently evolved from the surface form Astyanax mexicanus. A length estimate for this species is 10 cm (Glenn Owens, pers.comm. 2009). |
| IUCN Red List Status: |
Endangered (EN); Date assessed: 26 February 2018 (B1ab(i,iii)) Ref. (130435)
|
| Threat to humans: |
harmless |
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