Gasteropelecidae

Freshwater hatchetfish
Blackwinged hatchetfish (Carnegiella marthae)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Characiformes
Suborder:	Characoidei
Superfamily:	Characoidea
Family:	Gasteropelecidae
Genera
See text

The freshwater hatchetfish are a family, Gasteropelecidae, of ray-finned fish from South and Central America. The common hatchetfish is the most popular member among fish keeping hobbyists. The family includes three genera: Carnegiella (four species), Gasteropelecus (three species), and Thoracocharax (two species).