Apteronotidae

Sternarchogiton preto

Sternarchogiton preto

Twenty Five Centimeters Apteronotid Fish from the Brazilian Coast

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

Tenebrosternarchus is a monospecific genus of weakly electric knifefish in the family Apteronotidae. The only species in the genus is Tenebrosternarchus preto. It is native to large river channels and major side branches in the Amazon Basin, and is common in the Tefé River and the Rio Solimões to a depth of 14 m (46 ft).