is a species of the class Actinopterygii (Ray-finned Fishes) in the family Sternopygidae (Glass Knifefishes) and order Gymnotiformes.
Sternopygus aequilabiatus
Sternopygus arenatus
Sternopygus astrabes
Sternopygus castroi
Sternopygus dariensis
Sternopygus macrurus
Sternopygus obtusirostris
Sternopygus perjeraton
Sternopygus xingu