Gymnotiformes
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The Gymnotiformes are an order of teleost bony fishes commonly known as Neotropical knifefish or South American knifefish, which inhabit fresh water. These mostly nocturnal fish have long bodies and s
Black Ghost Knifefish 400
Electrophorus electricus showing lateral line pits
Mormyrus (and Mormyridae in general) developed their electrogenesis independently from Gymnotiformes through convergent evolution
Naked-back knifefish
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The naked-back knifefishes are a family, the Gymnotidae, of ray-finned fishes belonging to the order Gymnotiformes. The fishes in this family are found only in fresh waters of Central America and Sout
Gymnotus Carapo en aquarium
Electric Eel