Leporacanthicus

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Leporacanthicus
Leporacanthicus joselimai, Weissspitzen-Russelzahnwels, L 264 (10227361116).jpg
Leporacanthicus joselimai
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Loricariidae
Tribe: Ancistrini
Genus: Leporacanthicus
Isbrücker & Nijssen, 1989
Type species
Leporacanthicus galaxias
Isbrücker & Nijssen, 1989

Leporacanthicus is a genus of suckermouth armored catfishes native to South America.

Contents

Species

There are currently four recognized species in this genus: [1]

Distribution

The genus has been reported from the upper Orinoco, the eastern, north-flowing Amazon tributaries, and the Tocantins River. [2]

Description

Leporacanthicus species have large teeth in the upper jaw; usually there are only two teeth on each premaxilla, the inner teeth very long. Species of Leporacanthicus are medium-sized loricariids with a narrow, pointed head, round lower lip, and fleshy tentacles on the upper lip. The colour pattern is generally dark gray to black with white to golden spots or a light gray with medium-sized black spots. The abdomen is naked (scaleless and unplated). The caudal fin is straight and angled posteroventrally. [2] L. galaxias are basic black with many white spots. [3] L. triactis are brown, gray, or charcoal black, save for vivid orange or yellow blotches on the spines of the non-paired fins. [4]

It has been hypothesized that the enlarged teeth of the upper jaw are used to remove snails from their shells. This has been observed in L. joselimai, but specimens from Venezuela seem to have a lot of caddis flies as well as freshwater sponges in the gut. [2]

In the aquarium

Leporacanthicus are called vampire plecostomus in the aquarium literature in reference to their large teeth that are characteristic of the genus. [2] [3] [4] These species should be fed invertebrate matter such as mollusks or crustaceans; however, they will accept other foods as well. These fish are territorial species. [3] [4] L. galaxias originates from oxygen-rich environments and should be provided with such a habitat in the aquarium. [3] This fish is not often seen during the day. [3] Breeding has been accomplished for L. galaxias but not documented. [3]

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<i>Synodontis petricola</i> Species of fish

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Leporacanthicus triactis is a species of armored catfish native to Colombia and Venezuela, where it is found in the upper Orinoco River basin. This species grows to a length of 24.7 centimetres (9.7 in) SL.

<i>Synodontis macrostigma</i> Species of fish

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Synodontis obesus, known as the Coas synodontis, is a species of upside-down catfish that is native to the coastal drainages of Cameroon, Ghana, Nigeria and Togo. It was first described by British-Belgian zoologist George Albert Boulenger in 1898. The species name obesus is derived from the Latin word obesus, meaning "fat".

Synodontis tanganyicae is a species of upside-down catfish endemic to the Democratic Republic of the Congo, Zambia, and Tanzania, where it is only known from Lake Tanganyika. It was first described by Russian-American ichthyologist Nikolai Andreyevich Borodin in 1936, from specimens collected at Kasaga, in what is now the Democratic Republic of the Congo. The species name tanganyicae comes from the habitat of the species, Lake Tanganyika.

<i>Synodontis melanostictus</i> Species of fish

Synodontis melanostictus is a species of upside-down catfish endemic to Lake Tanganyika and its tributaries. It has been found in Zambia, the Democratic Republic of the Congo, and Burundi. It was first described by British-Belgian zoologist George Albert Boulenger in 1906, based upon a specimen from the Lofubu River. The species name "melanostictus" is derived from a combination of the Greek melano, meaning black, and the Greek stiktos, meaning punctured or spotted. This refers to the black spotted pattern that occurs on the body of this species.

References

  1. Froese, Rainer and Pauly, Daniel, eds. (2011). Species of Leporacanthicus in FishBase . December 2011 version.
  2. 1 2 3 4 Armbruster, Jonathan W. "Leporacanthicus Isbrücker and Nijssen, 1989" . Retrieved 2007-07-24.
  3. 1 2 3 4 5 6 "PlanetCatfish::Catfish of the Month::October 1998". PlanetCatfish.com. 2005-11-26. Retrieved 2007-07-24.
  4. 1 2 3 "PlanetCatfish::Catfish of the Month::October 2002". PlanetCatfish.com. 2005-07-26. Retrieved 2007-07-24.