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Astyanax orthodus Eigenmann, 1907 |
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photo by
Pacheco Chaves, B. |
| Family: | Acestrorhamphidae (American tetras), subfamily: Acestrorhamphinae | |||
| Max. size: | 10.78 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: Colombia. | |||
| Diagnosis: | Predorsal midline with a continuous series of scales covering more than three quarters of the distance between the posterior tip of supraoccipital spine and dorsal-fin origin and the caudal-peduncle spot restricted to the midlateral axis of the body, not extending on to the dorsal and ventral margins of bases of caudal-fin rays (Ref. 119406). | |||
| Biology: | Recorded in streams and ponds between 1 and 60 m elevation. Schools are found in waters ranging from stagnant to swift current at temperatures of 24 to 28°C. Feeds on seeds, terrestrial and aquatic insects (Ref. 36880). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 09 October 2014 Ref. (130435) | |||
| Threat to humans: | harmless | |||