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  2. Electric fish - Wikipedia

    en.wikipedia.org/wiki/Electric_fish

    An electric fish is any fish that can generate electric fields. Most electric fish are also electroreceptive, meaning that they can sense electric fields. The only exception is the stargazer family (Uranoscopidae). Electric fish, although a small minority of all fishes, include both oceanic and freshwater species, and both cartilaginous and ...

  3. Mormyridae - Wikipedia

    en.wikipedia.org/wiki/Mormyridae

    Mormyridae. The Mormyridae, sometimes called "elephantfish" (more properly freshwater elephantfish ), are a superfamily of weakly electric fish in the order Osteoglossiformes native to Africa. [1] It is by far the largest family in the order, with around 200 species. Members of the family can be popular, if challenging, aquarium species.

  4. Peters's elephantnose fish - Wikipedia

    en.wikipedia.org/wiki/Peters's_elephantnose_fish

    Peters's elephantnose fish. Peters's elephant-nose fish ( Gnathonemus petersii) is an African freshwater elephantfish in the genus Gnathonemus. Other names in English include elephantnose fish, long-nosed elephant fish, and Ubangi mormyrid, after the Ubangi River. The Latin name petersii is probably for the German naturalist Wilhelm Peters.

  5. Stargazer (fish) - Wikipedia

    en.wikipedia.org/wiki/Stargazer_(fish)

    Trachiniformes. Family: Uranoscopidae Jordan & Evermann, 1898. Genera. See text. The stargazers are a family, Uranoscopidae, of perciform fish that have eyes on top of their heads (hence the name). The family includes about 51 species (one extinct) in eight genera, all marine and found worldwide in shallow and deep saltwaters.

  6. Robot fish - Wikipedia

    en.wikipedia.org/wiki/Robot_fish

    Jessiko robot fish on France Pavilion at Yeosu 2012 World Expo. A robot fish is a type of bionic robot that has the shape and locomotion of a living fish.Most robot fish are designed to emulate living fish which use body-caudal fin (BCF) propulsion, and can be divided into three categories: single joint (SJ), multi-joint (MJ) and smart material-based "soft-body" design.

  7. Electric ray - Wikipedia

    en.wikipedia.org/wiki/Electric_ray

    The electric rays are a group of rays, flattened cartilaginous fish with enlarged pectoral fins, composing the order Torpediniformes / t ɔːr ˈ p ɛ d ɪ n ɪ f ɔːr m iː z /.They are known for being capable of producing an electric discharge, ranging from 8 to 220 volts, depending on species, used to stun prey and for defense.