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L-number
The L-number system is a semi-scientific classification system of catfish based on photographs of shipments of tropical catfish of the family Loricariidae published by the German aquarium magazine DATZ (Die Aquarien- und Terrarienzeitschrift (The Aquarium and Terrarium Magazine)). The first L-number was published in 1988. An L-number is not a formal scientific designation, but it allows people to identify various loricariid catfish by a "common name" before the fish is officially described. When a loricariid receives an official scientific name, the L-number (or numbers) is retired; best practice is then to use the scientific name. A specific L-number classification does not guarantee a discrete species, multiple L numbers have been given to different populations of the same species. To add to the confusion, sometimes a single L-number may be used for multiple species. Additionally the aquarium magazine 'Das Aquarium' introduced a similar system using the prefix 'LDA'. L-numbe ...
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Hypancistrus
''Hypancistrus'' is a genus of loricariid catfish originating from the Amazon basin in South America. Unlike many of the other Loricariids, however, some ''Hypancistrus'' species are more carnivorous and enjoy meat in their diet. ''Hypancistrus'' species are popular aquarium fish, including such popular fish as the zebra pleco and Queen Arabesque pleco. Etymology The name ''Hypancistrus'' is derived from the Greek ''"hypo"'' meaning under and ''"agkistron"'' meaning hook. Taxonomy This genus is a relatively recent one, described in 1991 with its type species ''H. zebra''. ''H. inspector'' was the next species to be described in 2002. In 2007, four new species of ''Hypancistrus'' were described. However, there are still many more undescribed species. These undescribed species are often designated with L-numbers. It was believed that this genus isn't monophyletic, though this has since changed. Species There are currently 8 recognized species in this genus: * '' Hypancistrus c ...
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Loricariidae
The Loricariidae is the largest family of catfish (order Siluriformes), with 92 genera and just over 680 species. Loricariids originate from freshwater habitats of Costa Rica, Panama, and tropical and subtropical South America. These fish are noted for the bony plates covering their bodies and their suckermouths. Several genera are sold as " plecos", notably the suckermouth catfish, ''Hypostomus plecostomus'', and are popular as aquarium fish. Common names Members of the family Loricariidae are commonly referred to as loricariids, suckermouth armoured catfishes, or armoured catfish. The name "plecostomus", and its shortened forms "pleco" and "plec", are used for many Loricariidae, since ''Plecostomus plecostomus'' (now called ''Hypostomus plecostomus'') was one of the first loricariid species imported for the fish-keeping hobby. Some loricariids are not normally considered "plecostomus", such as ''Farlowella'' catfish. In their native range, these fish are known as ''cascudos'' ...
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Baryancistrus
''Baryancistrus'' is a genus of freshwater Loricariid catfish. They inhabit flowing sections of rivers, especially clearwater, in the basins of the Amazon (notably Trombetas, Tapajós, Xingu and Tocantins) and Orinoco (notably Ventuari) in Brazil and Venezuela. The largest species reach up to in total length. Most ''Baryancistrus'' are differentiated from other related genera by a membrane connecting their dorsal fin and adipose fin, not present in most other genera. The species of this genus are mainly herbivores and detritivores, but may take other foods in an aquarium setting. Most have probably not been bred in captivity. It is difficult to sex these fish, including adult specimens. These fish are mainly nocturnal, but will also emerge from their hiding places during the day, after some time getting accustomed to the aquarium. Adequate hiding places are recommended for these fish due to their primary nocturnal nature. Species There are currently eight recognized species ...
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Panaque Armbrusteri
''Panaque armbrusteri'' is a species of fish in the South American armoured catfish family Loricariidae. This species is distributed throughout the Tapajós river, a large tributary of the Amazon River, with similar populations found in the Xingu, Araguaia, Tocantins and Aripuanã rivers, although it is uncertain whether these populations comprise the same or different species. ''P. armbrusteri'' is a large loricariid, reaching 43 cm (16.9 inches) in total length and reportedly weighing up to 1.3 kg (2.9 lbs). It is a fairly popular loricariid species in the aquarium trade, and is one of the species commonly referred to as a royal pleco, although that name more frequently refers to the related species ''Panaque nigrolineatus ''Panaque nigrolineatus'', the royal panaque, royal plec, or royal pleco, is an herbivorous freshwater armored catfish native to Brazil, Colombia and Venezuela where it occurs in the Orinoco and Amazon basins. It is known for being one of t ...''. ' ...
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Baryancistrus Niveatus
''Baryancistrus niveatus'' is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Xingu River, the Tapajós, the Trombetas River, and the Tocantins River in Brazil. This species is the among the largest members of the genus ''Baryancistrus'', reaching 34 cm (13.4 inches) in total length. It sometimes appears in the aquarium trade, where it is known by its L-number The L-number system is a semi-scientific classification system of catfish based on photographs of shipments of tropical catfish of the family Loricariidae published by the German aquarium magazine DATZ (Die Aquarien- und Terrarienzeitschrift (The ..., L-026. References {{Taxonbar, from=Q430641 Fish described in 1855 Catfish of South America Loricariidae ...
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Ancistrus Aguaboensis
''Ancistrus aguaboensis'' is a species of catfish in the family Loricariidae. It is native to South America, where it is known from the upper Tocantins River basin. The area in which the species occurs is characterized by riffles and a primarily rocky substrate, although some amounts of gravel and sand are present. The species reaches 6.7 cm (2.6 inches) SL. It sometimes appears in the aquarium trade, where it is usually either known as the Aguaboa ancistrus, the Aguaboa pleco, or by its L-number The L-number system is a semi-scientific classification system of catfish based on photographs of shipments of tropical catfish of the family Loricariidae published by the German aquarium magazine DATZ (Die Aquarien- und Terrarienzeitschrift (The ..., L032. References aguaboensis Fish described in 2001 Fish of South America {{Loricariidae-stub ...
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Peckoltia
''Peckoltia'' is a genus of small South American Loricariidae, armored suckermouth catfishes. Many of these fish are popular aquarium fish. Taxonomy ''Peckoltia'' is a Basal (phylogenetics), basal genus within the tribe Ancistrini of the subfamily Hypostominae. This genus is paraphyly, paraphyletic. At this point, many undescribed taxon, undescribed species remain. Many of the possibly undescribed species have an identification through the L-number system. ''Peckoltia'' species can be distinguished from most other in the genera in the tribe Ancistrini by having a lateral ridge on the opercle that usually has no odontodes and the teeth on their upper jaw (dentary) forming an angle under 90 degrees; while some genera also have an angled dentary, ''Peckoltia'' species lack synapomorphy, synapomorphies of these genera. This genus and the closely related ''Hemiancistrus'' may be synonym (taxonomy), synonymous, as neither genus is supported by synapomorphies. Generally, ''Peckoltia'' a ...
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Peckoltia Vittata
''Peckoltia vittata'' is a species of catfish belonging to the subfamily Hypostominae of the family Loricariidae. Description ''P. vittata'' reaches a maximum total length of 15 cm (5.9 inches). The distinctive striped patterning sported by the species has led to it being referred to as the candy-striped pleco or the tiger pleco in the aquarium trade, although it may also be referred to by its L-number, which is L-015. Males can be distinguished from females by the presence of small teeth-like projections or odontodes along the back half of its body. Distribution ''P. vittata'' is native to South America, where it occurs in the Amazon basin. It can be found in the Amazon River itself, in addition to the Tapajós, the Madeira River, the Xingu River, the Uatumã River, the Trombetas River, the Capim River, and the Maranhão River. The species has also been reported from the Guaviare River of Colombia, although this is an unconfirmed occurrence. Ecology ''P. vittata'' is mo ...
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Hopliancistrus
''Hopliancistrus tricornis'' is the only species of the genus ''Hopliancistrus'' of suckermouth armored catfish. This species reaches a length of SL. It is endemic to Brazil and can be found in the Tapajós and Xingu River basins. This species appears similar to members ''Lasiancistrus'', however it lacks the synapomorphies and has five rows of plates on the caudal peduncle instead of three like those found in ''Lasiancistrus''. It is characterized by three stout, strongly curved odontode Odontodes, or dermal teeth, are hard structures found on the external surfaces of animals or near internal openings. They consist of a soft pulp surrounded by dentine and covered by a mineralized substance such as enamel, a structure similar to th ...s on either side of the head in males. References Ancistrini Fish of South America Fish of Brazil Endemic fauna of Brazil Taxa named by Isaäc J. H. Isbrücker Taxa named by Han Nijssen Monotypic fish genera Monotypic ray-finned fis ...
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Spectracanthicus
''Spectracanthicus'' is a genus of suckermouth armored catfish endemic to the Tapajós, Xingu and Tocantins river basins in Brazil where often found in fast-flowing waters.Chamon, C.C. & Rapp Py-Daniel, L.H. (2014)Taxonomic revision of ''Spectracanthicus'' Nijssen & Isbrücker (Loricariidae: Hypostominae: Ancistrini), with description of three new species. ''Neotropical Ichthyology, 12 (1): 1-26''. The largest species in the genus reaches up to in standard length Fish measurement is the measuring of individual fish and various parts of their anatomies. These data are used in many areas of ichthyology, including taxonomy and fisheries biology. Overall length * Standard length (SL) is the length of a fish m .... They feed on algae and small invertebrates. Species There are currently five recognized species in this genus: * '' Spectracanthicus murinus'' Nijssen & Isbrücker, 1987 * '' Spectracanthicus immaculatus'' Chamon & Rapp Py-Daniel, 2014 * '' Spectracanthicus puncta ...
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Pterygoplichthys Pardalis
''Pterygoplichthys pardalis'', the Amazon sailfin catfish, is a freshwater fish, freshwater tropical fish in the armored catfish family (Loricariidae). It is one of a number of species commonly referred to as the common pleco or "leopard pleco" by aquarists. Description This species will grow to a maximum length of Fish measurement, SL and reach a weight of 310 g. It is sometimes confused with the ''Hypostomus plecostomus'' (another armored catfish known as the "common plecostomus"). The two species can be distinguished by their number of dorsal rays. ''P. pardalis'' has 11–13, while the ''H. plecostomus'' has only 5–8 dorsal rays. It is also commonly misindentified as ''P. disjunctivus'' and can be differentiated by its spotted patterning. There is an albino color variation of this species, usually referred to as an "Albino Plecostomus". The amelanistic form may also be sold as the "chocolate pleco". Distribution and habitat The species is native to the Amazon Basin, Amaz ...
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