Apteronotidae

Melanosternarchus amaru

Melanosternarchus amaru

Scaleless nape wide mouth

• Tropical
• Southern Hemisphere
• Regional distribution
• Freshwater fish
• South America
• Medium
• Tropical fish

Melanosternarchus is a genus of ghost knifefish found in the Amazon basin of Brazil and Peru. The single species in this genus, Melanosternarchus amaru is primarily found in the deep channels of large blackwater rivers. This species can be recognized by its large mouth, slender body and an absence of scales on its nape and dorsum.