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Gymnotiform

Gymnotiformes
Scientific classification
Kingdom:Animalia
Phylum:Chordata
Class:Actinopterygii
Order:Gymnotiformes
Families
    Apteronotidae (ghost knifefishes)
    Eigenmanniidae[?] (obsolete?)
    Gymnotidae (naked-back knifefishes
        and electric eels)
    Hypopomidae[?]
    Rhamphichthyidae[?]
    Sternopygidae[?]

The gymnotiforms are an order (Gymnotiformes) of knifefishes that have electric organs[?]. The best-known member is the electric eel (Electrophorus electricus), which uses powerful electric shocks for both hunting and self-defense, but other members of the order also generate electric fields, using them for locating food and breeding.

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