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Astyanax mexicanus (De Filippi, 1853) Mexican tetra |
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photo by
The Native Fish Conservancy |
| Family: | Acestrorhamphidae (American tetras), subfamily: Acestrorhamphinae | |||
| Max. size: | 12 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater, potamodromous | |||
| Distribution: | North America: Mexico. | |||
| Diagnosis: | ||||
| Biology: | Inhabits rocky and sandy bottoms of pools and backwaters of creeks and small to large rivers, and springs. Feeds on insects, crustaceans and worms (Ref. 7020). Migrates during winter to warmer areas (Ref. 47195). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 21 October 2011 Ref. (130435) | |||
| Threat to humans: | harmless | |||