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Astyanax jordani (Hubbs & Innes, 1936) |
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photo by
Freiberg, J. |
| Family: | Acestrorhamphidae (American tetras), subfamily: Acestrorhamphinae | |||
| 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 | |||