The Gymnotiformes /dʒɪmˈnɒtɪfɔːrmiːz/ are an order of teleost bony fishes commonly known as Neotropical knifefish or South American knifefish. They have...
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(Anguilliformes) but are members of the electroreceptive knifefish order, Gymnotiformes. This order is more closely related to catfish. In 2019, electric eels...
57 KB (5,755 words) - 16:09, 7 October 2024
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...
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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...
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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 (2,089 words) - 21:57, 15 April 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 (1,630 words) - 14:44, 26 September 2024
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...
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group of other orders including Cypriniformes (minnows and allies), Gymnotiformes (knifefish), and Siluriformes (catfish). Otocephala may also contain...
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relatives are the Characiformes (characins, tetras and their kin), the Gymnotiformes (electric eel and American knifefishes), and the Siluriformes (catfishes)...
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knifefishes (Gymnotiformes) and the African elephantfishes (Notopteroidei), enabling them to navigate and find food in turbid water. The Gymnotiformes include...
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septentrionalis (Orinoco river basin and Trinidad). This species, as with all Gymnotiformes, is an electric fish that has the capability to generate weak electric...
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Ferraris Jr, C.J.; C.D. de Santana; R.P. Vari (2017). "Checklist of Gymnotiformes (Osteichthyes: Ostariophysi) and catalogue of primary types". Neotrop...
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about 2,168 species Siluriformes (catfishes), about 3,813 species Gymnotiformes (electric eels, American knifefishes), about 239 species (sometimes...
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(39%), but other groups with many species include Cichlidae (6%) and Gymnotiformes (3%). In addition to major differences in behavior and ecology, Amazonian...
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beaked salmons) and Gymnotiformes (South American knifefish), a superorder characterized by the Weberian apparatus. Some place Gymnotiformes as a sub-order...
72 KB (7,338 words) - 14:07, 10 October 2024
Ferraris Jr, C.J.; C.D. de Santana; R.P. Vari (2017). "Checklist of Gymnotiformes (Osteichthyes: Ostariophysi) and catalogue of primary types". Neotrop...
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Clupeiformes Alepocephaliformes Gonorynchiformes Cypriniformes Characiformes Gymnotiformes Siluriformes Lepidogalaxii Lepidogalaxiiformes Protacanthopterygii Argentiniformes...
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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...
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piranhas, tetras, dourado / golden (genus Salminus) and pacu) Order Gymnotiformes Berg 1940 (electric eels and knifefishes) Order Siluriformes Cuvier...
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in communication have evolved independently at least twice: in the Gymnotiformes of South America and the Mormyriformes of Africa of Africa. In non-electric...
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Eukaryota Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Gymnotiformes Family: Apteronotidae Genus: Apteronotus Species: A. albifrons Binomial...
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Siluriformes, and Gymnotiformes. The Characiformes form a group known as the Characiphysi with the Siluriformes and Gymnotiformes. The order Characiformes...
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evolved from myogenic tissue (which forms muscle), however, one group of Gymnotiformes, the Apteronotidae, derived their electric organ from neurogenic tissue...
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modified swim-bladder.[citation needed] Knifefish: (Gymnotiformes) some species of Gymnotiformes, otherwise known as the knifefish, are obligate oxygen...
10 KB (1,143 words) - 20:02, 23 September 2024
Knifefish (category Gymnotiformes)
knife-shaped fishes: The Neotropical or weakly electric knifefishes, order Gymnotiformes, containing five families: Family Gymnotidae (banded knifefishes and...
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Clupeiformes Alepocephaliformes Gonorynchiformes Cypriniformes Characiformes Gymnotiformes Siluriformes Lepidogalaxii Lepidogalaxiiformes Protacanthopterygii Argentiniformes...
43 KB (3,093 words) - 12:58, 1 October 2024
denotation of "knifefish", the notopterids should not be confused with Gymnotiformes, the electric knifefishes from South and Central America. Although their...
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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 (9,325 words) - 11:54, 11 October 2024
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)...
71 KB (8,319 words) - 04:38, 14 October 2024
Gymnotus tiquie (category Gymnotiformes stubs)
a maximum length around 24 cm (9.4 in). "A New Species of Gymnotus (Gymnotiformes: Gymnotidae) from Rio Tiquié in Northern Brazil". Copeia. American Society...
2 KB (146 words) - 05:29, 21 April 2024