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Gymnocorymbus thayeri Eigenmann, 1908 False black tetra |
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photo by
Ott, G. |
| Family: | Characidae (Characins; tetras), subfamily: Stethaprioninae | |||
| Max. size: | 7.4 cm SL (male/unsexed); max.weight: 17.0 g | |||
| Environment: | pelagic; freshwater; pH range: 5.5 - 7.5; dH range: 20 | |||
| Distribution: | South America: upper Amazon River basin (Bolivia and Colombia). Recorded from the Orinoco River, Guyana, and Trinidad and Tobago. | |||
| Diagnosis: | ||||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 04 March 2021 Ref. (130435) | |||
| Threat to humans: | harmless | |||