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Hemigrammus orthus Durbin, 1909 |
| Family: | Characidae (Characins; tetras), subfamily: Stethaprioninae | |||
| Max. size: | 3.4 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: Essequibo River and lower Tapajós River. | |||
| Diagnosis: | ||||
| Biology: | Maximum length questionable (Ref. 38376). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 20 December 2020 Ref. (130435) | |||
| Threat to humans: | harmless | |||