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Melanocharacidium rex (Böhlke, 1958) |
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photo by
Yuri Hooker/WWF-OPP |
| Family: | Crenuchidae (South American darters), subfamily: Characidiinae | |||
| Max. size: | 9.85 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: Tigre and Pastaza River basins in upper Amazon drainage, Ecuador. | |||
| Diagnosis: | ||||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 23 April 2014 Ref. (130435) | |||
| Threat to humans: | harmless | |||