Rhamdia muelleri (Günther, 1864)
photo by Johansson, G.G.

Family:  Heptapteridae (Three-barbeled catfishes)
Max. size:  20.8 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: Amazon, Ambyiacu, Aripuaña, Capim, Essequibo, Madeira, Negro, Orinoco, Solimões, Tocantins, and Trombetas River basins.
Diagnosis:   
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 27 August 2020 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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