Ghost knifefish

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{{Taxobox | color = pink | name = Ghost knifefishes | image = Black Ghost Knifefish 400.jpg | image_width = 250px | image_caption = Black ghost knifefish, Apteronotus albifrons | regnum = Animalia | phylum = Chordata | classis = Actinopterygii | ordo = Gymnotiformes | familia = Apteronotidae | subdivision_ranks = Genera | subdivision = Adontosternarchus
Apteronotus
Compsaraia
Magosternarchus
Megadontognathus
Orthosternarchus
Parapteronotus
Platyurosternarchus
Porotergus
Sternarchella
Sternarchogiton
Sternarchorhamphus
Sternarchorhynchus
See text for species. }} The ghost knifefishes are a family, Apteronotidae, of knifefishes. They are distinguished from other gymnotiform fishes by the presence of a caudal fin, and can be found in the neotropical regions of South America.

The black ghost knifefish (Apteronotus albifrons) and brown ghost knifefish (Apteronotus leptorhynchus) are readily available as aquarium fish.

Species

FishBase lists 47 species in thirteen genera.<ref>Template:FishBase family</ref> A number of additional species have been discovered recently, for example Apteronotus milesi in 2005,<ref name="Apteronotus milesi">Template:Cite journal</ref> and many more are expected to be found.

References

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