Genus Mastiglanis

 
 

Mastiglanis asopos - This species has a broad distribution, mainly throughout the left side tributaries of the Amazon basin and the Capim River basin in Brazil, as well as in the right tributaries of the Amazon basin in Brazil, Orinoco basin of Venezuela, and drainages in Guyana.

Order : Siluriformes
Family : Heptapteridae
Genus : Mastiglanis