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Melanocharacidium nigrum Buckup, 1993 |
| Family: | Crenuchidae (South American darters), subfamily: Characidiinae | |||
| Max. size: | 6.7 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: Amazon basin, rivers draining the Guiana Shield. | |||
| Diagnosis: | ||||
| Biology: | Maximum length from CLOFFSCA manuscript (Buckup pers. comm., 13/11/03). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 18 May 2022 Ref. (130435) | |||
| Threat to humans: | harmless | |||