''Carnegiella'' is a genus of

freshwater hatchetfish 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'' (fo ...

es found in the

Amazon Amazon most often refers to: * Amazons, a tribe of female warriors in Greek mythology * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon River, in South America * Amazon (company), an American multinational technology c ...

and

Orinoco The Orinoco () is one of the longest rivers in South America at . Its drainage basin, sometimes known as the Orinoquia, covers , with 76.3 percent of it in Venezuela and the remainder in Colombia. It is the fourth largest river in the wor ...

basins in

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...

. This genus contains some popular

aquarium An aquarium (plural: ''aquariums'' or ''aquaria'') is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aq ...

fishes.

Species

There are currently four recognized species in this genus: * ''

Carnegiella marthae The black-winged hatchetfish (''Carnegiella marthae'') is a freshwater ray-finned fish native to South America.Aquarium Fish by Dick Mills from DK Handbooks George Myers named this fish after his first wife Martha. Description Black-winged ha ...

'' G. S. Myers, 1927 (Blackwing hatchetfish) * ''

Carnegiella myersi The pygmy hatchetfish (''Carnegiella myersi'') is a species of hatchetfish native to Peru. Named for ichthyologist George S. Myers George Sprague Myers (February 2, 1905 – November 4, 1985) was an American ichthyologist who spent most of hi ...

'' Fernández-Yépez, 1950 (Pygmy hatchetfish) * ''

Carnegiella schereri ''Carnegiella schereri'', a species of freshwater hatchetfish, is native to the Amazon Basin The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , ...

'' Fernández-Yépez, 1950 (Dwarf hatchetfish) * '' Carnegiella strigata'' ( Günther, 1864) (Marbled hatchetfish)

References

Gasteropelecidae Fish of South America {{Characiformes-stub