• Thumbnail for Gymnotiformes
    The Gymnotiformes /dʒɪmˈnɒtɪfɔːrmiːz/ are an order of teleost bony fishes commonly known as Neotropical knifefish or South American knifefish. They have...
    29 KB (3,078 words) - 05:29, 22 April 2024
  • Thumbnail for Electric eel
    (Anguilliformes) but are members of the electroreceptive knifefish order, Gymnotiformes. This order is more closely related to catfish. In 2019, electric eels...
    57 KB (5,760 words) - 19:21, 27 June 2024
  • Thumbnail for Ghost knifefish
    knifefishes are a family, Apteronotidae, of ray-finned fishes in the order Gymnotiformes. These fish are native to Panama and South America. They inhabit a wide...
    6 KB (687 words) - 22:49, 15 April 2024
  • Thumbnail for Electrophorus electricus
    length, and 20 kg (44 lb) in weight, making them the largest of the Gymnotiformes. Their coloration is dark gray-brown on the back and yellow or orange...
    19 KB (2,091 words) - 21:57, 15 April 2024
  • Thumbnail for Jamming avoidance response
    to that of the Gymnotiformes, with a few minor differences. S-units in Gymnarchus are time coders, like the T-units in Gymnotiformes. O-units code the...
    19 KB (1,895 words) - 05:53, 13 June 2023
  • Thumbnail for Hypopomidae
    The Hypopomidae are a family of fishes in the order Gymnotiformes known as the bluntnose knifefish. They may also be called grass or leaf knifefishes...
    7 KB (789 words) - 13:07, 15 January 2024
  • Thumbnail for Electroreception and electrogenesis
    knifefishes (Gymnotiformes) and the African elephantfishes (Notopteroidei), enabling them to navigate and find food in turbid water. The Gymnotiformes include...
    41 KB (3,601 words) - 16:27, 18 June 2024
  • carapo. Overall Gymnotus is the most widespread genus in the order Gymnotiformes. Although not commonly eaten by humans, some members of this genus are...
    18 KB (1,648 words) - 01:47, 2 July 2024
  • Thumbnail for Cypriniformes
    relatives are the Characiformes (characins, tetras and their kin), the Gymnotiformes (electric eel and American knifefishes), and the Siluriformes (catfishes)...
    28 KB (2,608 words) - 10:19, 1 August 2024
  • Thumbnail for Otocephala
    group of other orders including Cypriniformes (minnows and allies), Gymnotiformes (knifefish), and Siluriformes (catfish). Otocephala may also contain...
    8 KB (585 words) - 04:33, 8 January 2024
  • Thumbnail for Ostariophysi
    about 2,168 species Siluriformes (catfishes), about 3,813 species Gymnotiformes (electric eels, American knifefishes), about 239 species (sometimes...
    11 KB (1,313 words) - 13:07, 27 March 2024
  • Thumbnail for Catfish
    beaked salmons) and Gymnotiformes (South American knifefish), a superorder characterized by the Weberian apparatus. Some place Gymnotiformes as a sub-order...
    72 KB (7,346 words) - 02:04, 5 August 2024
  • Thumbnail for Amazon basin
    (39%), but other groups with many species include Cichlidae (6%) and Gymnotiformes (3%). In addition to major differences in behavior and ecology, Amazonian...
    30 KB (3,182 words) - 13:54, 1 June 2024
  • Thumbnail for Banded knifefish
    septentrionalis (Orinoco river basin and Trinidad). This species, as with all Gymnotiformes, is an electric fish that has the capability to generate weak electric...
    8 KB (860 words) - 00:33, 21 July 2024
  • Thumbnail for Apteronotus
    Ferraris Jr, C.J.; C.D. de Santana; R.P. Vari (2017). "Checklist of Gymnotiformes (Osteichthyes: Ostariophysi) and catalogue of primary types". Neotrop...
    9 KB (751 words) - 20:18, 15 October 2023
  • Thumbnail for Rhamphichthys
    Rhamphichthys (category Gymnotiformes stubs)
    knifefishes (Teleostei, Gymnotiformes). Molecular phylogenetics and evolution, 95, 20-33. Rhamphichthys, like other Gymnotiformes fishes, contain an electric...
    10 KB (1,230 words) - 22:58, 15 April 2024
  • Thumbnail for Naked-back knifefish
    Ferraris Jr, C.J.; C.D. de Santana; R.P. Vari (2017). "Checklist of Gymnotiformes (Osteichthyes: Ostariophysi) and catalogue of primary types". Neotrop...
    4 KB (389 words) - 02:39, 29 January 2024
  • Thumbnail for Characiformes
    Siluriformes, and Gymnotiformes. The Characiformes form a group known as the Characiphysi with the Siluriformes and Gymnotiformes. The order Characiformes...
    17 KB (1,477 words) - 21:14, 15 July 2024
  • Thumbnail for Glass knifefish
    Glass knifefish (category Gymnotiformes stubs)
    Glass knifefishes are fishes in the family Sternopygidae in the order Gymnotiformes. Species are also known as rattail knifefishes. These fishes inhabit...
    4 KB (396 words) - 22:58, 15 April 2024
  • Thumbnail for Actinopterygii
    piranhas, tetras, dourado / golden (genus Salminus) and pacu) Order Gymnotiformes Berg 1940 (electric eels and knifefishes) Order Siluriformes Cuvier...
    48 KB (3,773 words) - 12:34, 29 July 2024
  • Knifefish (category Gymnotiformes)
    knife-shaped fishes: The Neotropical or weakly electric knifefishes, order Gymnotiformes, containing five families: Family Gymnotidae (banded knifefishes and...
    940 bytes (122 words) - 21:20, 14 March 2019
  • Thumbnail for Electric fish
    evolved from myogenic tissue (which forms muscle), however, one group of Gymnotiformes, the Apteronotidae, derived their electric organ from neurogenic tissue...
    31 KB (2,942 words) - 16:21, 19 July 2024
  • Thumbnail for Anglerfish
    Clupeiformes Alepocephaliformes Gonorynchiformes Cypriniformes Characiformes Gymnotiformes Siluriformes Lepidogalaxii Lepidogalaxiiformes Protacanthopterygii Argentiniformes...
    47 KB (4,906 words) - 02:46, 5 August 2024
  • Thumbnail for Amphibious fish
    modified swim-bladder.[citation needed] Knifefish: (Gymnotiformes) some species of Gymnotiformes, otherwise known as the knifefish, are obligate oxygen...
    9 KB (1,113 words) - 13:37, 24 May 2024
  • Thumbnail for Francisco Mago Leccia
    entitled: “Los peces Gymnotiformes de Venezuela: un estudio preliminar para la revisión del grupo en la América del Sur” (The Gymnotiformes fish of Venezuela:...
    15 KB (1,787 words) - 09:30, 29 April 2024
  • Thumbnail for Eel
    Clupeiformes Alepocephaliformes Gonorynchiformes Cypriniformes Characiformes Gymnotiformes Siluriformes Lepidogalaxii Lepidogalaxiiformes Protacanthopterygii Argentiniformes...
    44 KB (3,169 words) - 18:59, 17 July 2024
  • Thumbnail for Notopteridae
    denotation of "knifefish", the notopterids should not be confused with Gymnotiformes, the electric knifefishes from South and Central America. Although their...
    5 KB (458 words) - 04:09, 20 August 2023
  • Thumbnail for Electricity
    defensive weapon; these are electric fish in different orders. The order Gymnotiformes, of which the best known example is the electric eel, detect or stun...
    84 KB (9,336 words) - 00:23, 9 July 2024
  • Thumbnail for List of largest fish
    maximum size is 22.7 kg (50 lb) and 1.84 m (6.0 ft) long. Knifefish (Gymnotiformes) The largest knifefish is the electric eel (Electrophorus electricus)...
    75 KB (8,212 words) - 19:09, 3 August 2024
  • Thumbnail for Black ghost knifefish
    Eukaryota Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Gymnotiformes Family: Apteronotidae Genus: Apteronotus Species: A. albifrons Binomial...
    11 KB (1,240 words) - 01:53, 16 July 2024