Melanocharacidium rex (Böhlke, 1958)
Melanocharacidium rex
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


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.