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  2. Ghost knifefish - Wikipedia

    en.wikipedia.org/wiki/Ghost_knifefish

    The ghost knifefishes are a family, Apteronotidae, of ray-finned fishes in the order Gymnotiformes. These fish are native to Panama and South America . [ 1 ] They inhabit a wide range of freshwater habitats, but more than half the species in the family are found deep in rivers (typically deeper than 5 m or 16 ft) where there is little or no light.

  3. Black ghost knifefish - Wikipedia

    en.wikipedia.org/wiki/Black_ghost_knifefish

    The black ghost knifefish (Apteronotus albifrons) is a tropical fish belonging to the ghost knifefish family (Apteronotidae). They originate in freshwater habitats in South America where they range from Venezuela to the Paraguay–Paraná River, including the Amazon Basin. [2] They are popular in aquaria. The fish is all black except for two ...

  4. Brown ghost knifefish - Wikipedia

    en.wikipedia.org/wiki/Brown_ghost_knifefish

    The brown ghost knifefish (Apteronotus leptorhynchus) is a species of weakly electric knifefish in the family Apteronotidae. The brown ghost knifefish is the only vertebrate proven to have negligible brain aging thus far. [1] As such, they are extensively researched as a model species for neurological and developmental studies.

  5. Gymnotiformes - Wikipedia

    en.wikipedia.org/wiki/Gymnotiformes

    Despite the name, the electric eel is a type of knifefish. The Gymnotiformes / dʒ ɪ m ˈ n ɒ t ɪ f ɔːr m iː z / are an order of teleost bony fishes commonly known as Neotropical knifefish or South American knifefish. They have long bodies and swim using undulations of their elongated anal fin.

  6. Sternarchorhynchus - Wikipedia

    en.wikipedia.org/wiki/Sternarchorhynchus

    Sternarchorhynchus in an aquarium. There are currently 32 described species in this genus. [6] Additionally, a few undescribed species are known. [2]Sternarchorhynchus axelrodi de Santana & Vari, 2010 (Axelrod's tube-snouted ghost knifefish)

  7. A 'ghost fish' has been spotted alive for the first time - AOL

    www.aol.com/news/2016-07-04-a-ghost-fish-has...

    A 'Ghost Fish' Has Been Spotted Alive For First Time. The NOAA Office of Ocean Exploration and Research recently shared footage documenting what is believed to be the first known sighting of a ...

  8. Apteronotus - Wikipedia

    en.wikipedia.org/wiki/Apteronotus

    Apteronotus is a genus of weakly electric knifefish in the family Apteronotidae, distinguished by the presence of a tiny tail fin.This genus is restricted to tropical and subtropical South America (Amazon, Orinoco, Río de la Plata and Magdalena basins, as well as rivers in western Colombia and the Guianas) and Panama where found in a wide range of freshwater habitats.

  9. Apteronotus galvisi - Wikipedia

    en.wikipedia.org/wiki/Apteronotus_galvisi

    Apteronotus galvisi is a species of ghost knifefish that was first described in a 2007 scientific paper. It is endemic to Colombia. It has a mostly brown body, with some areas of yellow or white. [1] Named in honor of Germán Galvis Vergara (Universidad Nacional de Colombia, Sede Bogotá). [2]