Family Apteronotidae

Apteronotus - Apteronotus is a genus of weakly electric knifefish in the family Apteronotidae, distinguished by the presence of a tiny caudal fin.

Magosternarchus - The name Magosternarchus honors Dr.

Orthosternarchus - Orthosternarchus tamandua is a species of weakly electric knifefish in the family Apteronotidae, native to the deep river channels of the Amazon River system.

Pariosternarchus - Ichthyologists James S.

Sternarchogiton - Sternarchogiton is a genus of weakly electric knifefish in the family Apteronotidae, with four known species.

Tembeassu - Brazilian ichthyologist Mauro Luís Triques described T.