Sternopygus aequilabiatus
NameSternopygus aequilabiatus
Scientific NameSternopygus aequilabiatus
Common NamesLongfin Knifefish, Band Knifefish
FamilySternopygidae
OriginSouth America, Amazon Basin, Orinoco Basin, Guyana, Suriname, French Guiana, Brazil, Peru, Ecuador, Colombia, Venezuela, Bolivia
Temperamentsemi-aggressive
Dietcarnivore
Care Levelintermediate
Minimum Tank Size (Gallons)120
Max Size (Inches)20
Water TypeFreshwater
Temperature Range (°F)72-82
pH Range6.0-7.5
Compatible SpeciesLarger Characins, Medium to Large Cichlids (e.g., Severums, Geophagus), Large Armored Catfish (e.g., Plecos, Synodontis), Dwarf Pike Cichlids
Description
Sternopygus aequilabiatus is a nocturnal, elongated knifefish native to the Amazon and Orinoco basins of South America. It possesses a weak electric organ for navigation and communication, and typically inhabits slow-moving or still waters. This species is known for its distinctive long anal fin that runs along most of its body.
