Upper Volta 1966Zimbabwe 1989Zaire 1978
Nile Pike
Mormyrops curviceps
Eastern Bottlenose Mormyrid
Mormyrus longirostris
Marcusenius isidori

Mormyridae is there about 190 kinds drop and are distributed over the African tropical level. Most of these friends are full length 10-20 cm, but the greatest kind reaches 1.5 m. A type with a long rostrum called Elphant nose is famous,; but, as for the form of the rostrum part, is various. It is a generation organ of the peduncle part and is feeble, but it generates electricity and receive this electric current in a receptor of the head and can grasp a mise en scene from the state of the change of the electric field.

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