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Astyanax nasutus Meek, 1907 |
| Family: | Acestrorhamphidae (American tetras), subfamily: Acestrorhamphinae | |||
| Max. size: | 10 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | Central America: Lake Managua basin. | |||
| Diagnosis: | ||||
| Biology: | Recorded from large rivers, in slow to moderate current at 5 to 20 m elevation. It was taken over sandy bottoms at 26°C. It seems to be principally an herbivorous fish, feeding on diatoms, seeds and other plant material (Ref. 36880). | |||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 03 February 2020 Ref. (130435) | |||
| Threat to humans: | harmless | |||