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Ghost knifefish

ghost knifefishes
(image here)
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Actinopterygii
Order:Gymnotiformes
Family:Apteronotidae
Genera
Adonosternarchus
Apteronotus
Compsaraia
Magosternarchus
Megadontognathus
Orthosternarchus
Parapteronotus
Platyurosternarchus
Porotergus
Sternarchogiton
Sternarchella
Sternarchorhamphus
Sternarchorchynchus

The ghost knifefishes are a family (Apteronotidae) of knifefishes. They are distinguished from other gymnotiform fish 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.

A number of additional species have been discovered recently, and many more are expected to be found.

Genus Adontosternarchus:

  • Adontosternarchus balaenops
  • Adontosternarchus clarkae
  • Adontosternarchus devenanzii
  • Adontosternarchus sachsi

Genus Apteronotus:

  • Black ghost knifefish[?] (Apteronotus albifrons)
  • Apteronotus apurensis
  • Apteronotus bonapartii
  • Apteronotus brasiliensis
  • Apteronotus cuchillejo
  • Apteronotus cuchillo
  • Apteronotus ellisi
  • Apteronotus jurubidae
  • Brown ghost knifefish[?] (Apteronotus leptorhynchus)
  • Apteronotus macrolepis
  • Apteronotus macrostomus
  • Apteronotus magdalenensis
  • Apteronotus marauna
  • Apteronotus mariae
  • Apteronotus rostratus
  • Apteronotus spurrellii

Genus Compsaraia:

  • Compsaraia compsus

Genus Magosternarchus:

  • Magosternarchus duccis
  • Magosternarchus raptor

Genus Megadontognathus:

  • Megadontognathus cuyuniense
  • Megadontognathus kaitukaensis

Genus Orthosternarchus:

  • Orthosternarchus tamandua

Genus Parapteronotus:

  • Parapteronotus hasemani

Genus Platyurosternarchus:

  • Platyurosternarchus macrostomus

Genus Porotergus:

  • Porotergus gimbeli
  • Porotergus gymnotus

Genus Sternarchella:

  • Sternarchella curvioperculata
  • Sternarchella orthos
  • Sternarchella schotti
  • Sternarchella sima
  • Sternarchella terminalis

Genus Sternarchogiton:

  • Sternarchogiton nattereri
  • Sternarchogiton porcinum

Genus Sternarchorhamphus:

  • Sternarchorhamphus muelleri

Genus Sternarchorhynchus:

  • Sternarchorhynchus britskii
  • Sternarchorhynchus curvirostris
  • Sternarchorhynchus mesensis
  • Sternarchorhynchus mormyrus
  • Sternarchorhynchus oxyrhynchus
  • Rosen knifefish[?] (Sternarchorhynchus roseni)

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