Gymnotiformes

group of teleost bony fishes commonly known as the Neotropical or South American knifefish

The Gymnotiformes is a lineage of electric fishes. Common names include the Neotropical electric fishes, South American electric fishes, or American knifefishes. They are primarily freshwater inhabitants. They have organs adapted to the generation of electric fields.

Gymnotiformes
Temporal range: Late Jurassic - Recent[1]
Black Ghost Knifefish 400.jpg
Black ghost knifefish, Apteronotus albifrons
Scientific classification
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Phylum:
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Gymnotiformes
Families

Perhaps the best-known species is the electric eel (Electrophorus electricus) which uses powerful electric shocks (up to 600 V) for hunting and self-defense. Other species familiar in the aquarium trade are: the black ghost knifefish (Apteronotus albifrons), the glass knifefish (Eigenmannia virescens), and the banded knifefish Gymnotus carapo.

ReferencesEdit

  1. "Gymnotiformes". FishBase. Ed. Ranier Froese and Daniel Pauly. Apr 2007 version. N.p.: FishBase, 2007.