page_title: Peters' elephantnose fish
hierarchical_section_title: Peters' elephantnose fish
caption_attribution_description: English: Mormyrus petersii = Gnathonemus petersii (Günther, 1864) with the CNS shown in green, electroreceptors in blue and electric organ in red Deutsch: Elefantenrüsselfisch Français&#160;: Poisson-éléphant English: Peters' elephantnose fish Español: Pez nariz elefante con el SNC en verde, los electroreceptores en azul y el órgano eléctrico en rojo Nederlands: Olifantsvis 日本語: エレファントノーズフィッシュ
context_page_description: Peters' elephant-nose fish 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. As the Latin name petersii confirms it is named after someone called "Peters", although the apostrophe is often misplaced and the common name given as "Peter's elephantnose fish". It uses electrolocation to find prey, and has the largest brain-to-body oxygen use ratio of all known vertebrates.
context_section_description: Peters' 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. As the Latin name petersii confirms it is named after someone called "Peters" (probably Wilhelm Peters), although the apostrophe is often misplaced and the common name given as "Peter's elephantnose fish". It uses electrolocation to find prey, and has the largest brain-to-body oxygen use ratio of all known vertebrates (around 0.6).
caption: The elephantnose fish is a weakly electric fish which generates an electric field with its electric organ and then processes the returns from its electroreceptors to locate nearby objects.[2]
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