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Lepidophagy
Lepidophagy is a specialised feeding behaviour in fish that involves eating the scales of other fish. Lepidophagy is widespread, having evolved independently in at least five freshwater families and seven marine families. A related feeding behavior among fish is pterygophagy: feeding on the fins of other fish. Species Lepidophagy, or scale-eating, has been reported in a range of fish, including: ''Chanda nama'' (family Ambassidae), ''Plagiotremus'' (family Blenniidae), ''Terapon jarbua'' (family Terapontidae), a few '' Ariopsis'' and ''Neoarius'' species (family Ariidae), Pachypterus khavalchor (family Pachypteridae), Macrorhamphoides uradoi (family Triacanthodidae), several pencil catfish (family Trichomycteridae), some piranha, '' Exodon paradoxus'', ''Probolodus'', ''Roeboides'' and ''Roeboexodon'' species (order Characiformes), ''Cyprinodon desquamator'' (family Cyprinodontidae), along with both ''Perissodus'' species, all four ''Plecodus'' species, ''Xenochromis'', ''Haplo ...
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Corematodus
''Corematodus'' is a small genus of haplochromine cichlids native to the Lake Malawi basin in Africa. They feed on scales and fins of other cichlids. Konings, Ad (1990). ''Ad Konings' Book of Cichlids and all the other Fishes of Lake Malawi.'' . Species There are currently two recognized species in this genus: * ''Corematodus shiranus ''Corematodus shiranus'' is a species of haplochromine cichlid fish native to Lake Malawi, Lake Malombe and the upper reaches of the Shire River in East Africa. It is an aggressive mimic of the chambo cichlids (''Nyasalapia'', a subgenus of ''O ...'' Boulenger, 1897 * '' Corematodus taeniatus'' Trewavas, 1935 References Haplochromini * Cichlid genera Taxa named by George Albert Boulenger {{Cichlidae-stub ...
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Docimodus
''Docimodus'' is a small genus of cichlids native to east Africa where they are found in Lake Malawi and one species ''(D. johnstoni)'' also occurs in Lake Malombe and the upper Shire River The Shire is the largest river in Malawi. It is the only outlet of Lake Malawi and flows into the Zambezi River in Mozambique. Its length is . The upper Shire River issues from Lake Malawi and runs approximately before it enters shallow Lake Malo .... The species of this genus have unusual feeding habits: they feed on scales, fins, or skin of other fishes. Species There are currently two recognized species in this genus: * '' Docimodus evelynae'' Eccles & D. S. C. Lewis, 1976 * '' Docimodus johnstoni'' Boulenger, 1897 References Haplochromini Taxa named by George Albert Boulenger Cichlid genera {{Cichlidae-stub ...
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Haplochromis Welcommei
''Haplochromis welcommei'' is a threatened species of cichlid endemic to Lake Victoria in Africa. This species reaches a length of SL. Although further surveys are needed to confirm its status, it is considered possibly extinct by the IUCN on the basis that there have been no definite records since 1985. It is the only scale-eating Lepidophagy is a specialised feeding behaviour in fish that involves eating the scales of other fish. Lepidophagy is widespread, having evolved independently in at least five freshwater families and seven marine families. A related feeding behavi ... cichlid in the Lake Victoria system.Newman, LCichlid Conservation in Uganda.Cichlid-Forum. Retrieved 28 March 2017. The specific name honours Robin Welcomme, who was a fisheries biologist at the East African Freshwater Fisheries Research Organisation and who collected the type of this species. References welcommei Fish of Lake Victoria Taxa named by Humphry Greenwood Fish described in 1966 ...
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Xenochromis
''Xenochromis hecqui'' is a species of cichlid endemic to Lake Tanganyika in East Africa. It is mainly found at depths of , but has been recorded somewhat deeper, even in waters virtually devoid of oxygen.Lowe-McConnell, R.H. (1987). Ecological Studies in Tropical Fish Communities. . This species is a scale eater, consuming the scales off of other fishes, but will also feed on copepods. It can reach a total length of up to . Currently it is the only known member of its genus. The specific name honours the Belgian Lieutenant A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a commissioned officer rank in the armed forces of many nations. The meaning of lieutenant differs in different militaries (see comparative military ranks), but it is often sub ... Célestin Hecq (1859-1910), a member of the Belgian colonial forces fighting the slave trade who collected the type of this species. References Taxa named by George Albert Boulenger Taxonomy articles ...
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Plecodus
''Plecodus'' is a genus of cichlids endemic to Lake Tanganyika in Africa. They feed on scales. Species There are currently four recognized species in this genus: * '' Plecodus elaviae'' Poll, 1949 * '' Plecodus multidentatus'' Poll, 1952 * '' Plecodus paradoxus'' Boulenger, 1898 * ''Plecodus straeleni'' Poll Poll, polled, or polling may refer to: Figurative head counts * Poll, a formal election ** Election verification exit poll, a survey taken to verify election counts ** Polling, voting to make decisions or determine opinions ** Polling places o ..., 1948 References Perissodini Cichlid genera Taxa named by George Albert Boulenger Taxonomy articles created by Polbot {{Cichlidae-stub ...
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Perissodus
''Perissodus'' is a genus of cichlids endemic to Lake Tanganyika in Africa. They feed on scales. Species There are currently two recognized species in this genus: * ''Perissodus eccentricus'' Liem & D. J. Stewart, 1976 * ''Perissodus microlepis ''Perissodus microlepis'' is a species of cichlid endemic to Lake Tanganyika. This species reaches a length of TL. This species can also be found in the aquarium trade. It is a scale-eating 'parasite' on other fish species. It occurs in two ...'' Boulenger, 1898 References Perissodini Cichlid genera Taxa named by George Albert Boulenger Taxonomy articles created by Polbot {{Cichlidae-stub ...
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Exodon Paradoxus
The bucktooth tetra (''Exodon paradoxus'') is the only member of the genus ''Exodon'' and is a freshwater fish of the characin family (family Characidae) of order Characiformes. It is native to the Amazon Basin and Guyana. Though first described in 1845, it was not imported and distributed by the aquarium trade until 1932. This species has a typical elongated tetra appearance; it is light tan in colour with two distinct black spots (one before the tail and another below the dorsal fin). The dorsal fin is bright red. The appellation “bucktooth” does not describe the fish’s appearance, since Bucktooth tetras show no signs of having teeth. It grows to a maximum overall length of approximately 12 cm (4.7 in). The fish's natural diet consist of small invertebrates, other fish, and plants. It is not a safe tank mate for fellow tetras, because it will eat small fish, nor is it a safe tank mate for larger species, because it is a notorious lepidophage. Bucktooth tetra ...
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Trichomycteridae
Trichomycteridae is a family of catfishes commonly known as pencil catfishes or parasitic catfishes. This family includes the candiru fish (''Vandellia cirrhosa''), feared by some people for its alleged habit of entering into the urethra of humans. They are one of the few parasitic chordates. Another species is the life monsefuano (''Trichomycterus punctulatus'') which was important to the Moche culture and still an important part of Peruvian cuisine.FondazioneslowfoodLife monsefuano.Retrieved 28 April 2017. This family is prohibited from being imported into various parts of the United States. Taxonomy The Trichomycteridae comprise about 42 genera and 286 species described. It is the second-most diverse family of the superfamily Loricarioidea. Numerous species still remain undescribed. The monophyly of Trichomycteridae is well-supported. The family is divided into eight subfamilies. The only subfamily that is not monophyletic is the largest one, Trichomycterinae. A large cla ...
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Cyprinodon Desquamator
''Cyprinodon desquamator'' is a scale-eating species of pupfish in the genus ''Cyprinodon''. It is endemic to hypersaline interior lakes on San Salvador Island, Bahamas. It coexists alongside two other closely related ''Cyprinodon'' species '' C. brontotheroides'' and '' C. variegatus''. Together, these three species represent a recent adaptive radiation, each having moved into a difference niche within their specialized environment. Each of these species are defined by distinct trophic adaptations that have affected various aspects of their functional morphology, behavior, strike kinematics, and reproductive coloration. ''Cyprinodon desquamator'' has enlarged adductor muscles, a small in-lever to out-lever ratio for rapidly closing its large lower jaw, and an elongated body for quickly performing scale-removing strikes on ''Cyprinodon'' and ''Gambusia'' species. This species spawns during the spring and summer, although it appears to be commoner in the summer. The males guard bre ...
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Characiformes
Characiformes is an order of ray-finned fish, comprising the characins and their allies. Grouped in 18 recognized families, more than 2000 different species are described, including the well-known piranha and tetras.; Buckup P.A.: "Relationships of the Characidiinae and phylogeny of characiform fishes (Teleostei: Ostariophysi)", ''Phylogeny and Classification of Neotropical Fishes'', L.R. Malabarba, R.E. Reis, R.P. Vari, Z.M. Lucena, eds. (Porto Alegre: Edipucr) 1998:123-144. Taxonomy The Characiformes form part of a series called the Otophysi within the superorder Ostariophysi. The Otophysi contain three other orders, Cypriniformes, Siluriformes, and Gymnotiformes. The Characiformes form a group known as the Characiphysi with the Siluriformes and Gymnotiformes. The order Characiformes is the sister group to the orders Siluriformes and Gymnotiformes, though this has been debated in light of recent molecular evidence. Originally, the characins were all grouped within a single ...
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Roeboexodon
''Roeboexodon'' is a genus of characins from tropical South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ..., with two currently recognized species: * '' Roeboexodon geryi'' G. S. Myers, 1960 * '' Roeboexodon guyanensis'' ( Puyo, 1948) References Characidae Fish of South America {{Characiformes-stub ...
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