Peckoltia is a genus of small South American armored suckermouth catfishes. Many of these fish are popular aquarium fish.
Hemiancistrus is a genus of suckermouth armored catfishes. These species are native to South America. The taxonomy of this genus is complex and unclear, and major work has to be done. Many of these fish are popular aquarium fish.
Harttia is a genus of armored catfishes native to South America.
Cteniloricaria is a genus of armored catfishes native to northern South America.
Peckoltia sabaji is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Rupununi, the Essequibo River, and the Takutu River in Guyana, as well as the basins of the Casiquiare canal, the Rio Negro, the Cinaruco River, and the Orinoco in Venezuela. It is usually found among boulders in medium to large rivers. The species reaches 19.8 cm SL and is of disputed classification.
Peckoltia vittata is a species of catfish belonging to the subfamily Hypostominae of the family Loricariidae.
Peckoltia brevis is a small species of Peckoltia belonging to the catfish family Loricariidae. Peckoltia brevis possesses the L-number L205.
Harttia fluminensis is a species of armored catfish where it is known only from the Coppename River drainage in Suriname.
Ancistrus amaris is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Orinoco River and Apure River basins in Venezuela. The species reaches at least 11.57 cm SL and was described in 2019 by Lesley S. de Souza of the Field Museum of Natural History, Donald C. Taphorn of the Royal Ontario Museum, and Jonathan Armbruster of Auburn University alongside five other species of Ancistrus. FishBase does not list this species.
Ancistrus greeni is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Madre de Dios River and Inambari River basins in Peru. The species reaches 6.5 cm in total length.
Ancistrus saudades is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Takutu River, the Ventuari River, the Caroní River, and the Caura River in Guyana, Venezuela, and Brazil. The species reaches at least 10.75 cm SL and was described in 2019 by Lesley S. de Souza of the Field Museum of Natural History, Donald C. Taphorn of the Royal Ontario Museum, and Jonathan Armbruster of Auburn University alongside five other species of Ancistrus. FishBase does not list this species.
Ancistrus yutajae is a species of catfish in the family Loricariidae. It is native to South America, where it occurs only in the Yutajé River in Venezuela. The species reaches at least 8.28 cm SL and was described in 2019 by Lesley S. de Souza of the Field Museum of Natural History, Donald C. Taphorn of the Royal Ontario Museum, and Jonathan Armbruster of Auburn University alongside five other species of Ancistrus. FishBase does not list this species.
Ancistrus heterorhynchus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Inambari River basin, which is part of the Madre de Dios River drainage in Peru. The species reaches 6.3 cm SL and is known to inhabit high-altitude areas.
Baryancistrus beggini, commonly known as the blue panaque, is a species of catfish in the family Loricariidae. It is a freshwater fish native to South America, where it is known from Venezuela and Colombia. The species is found in areas with boulders or interstices of granitic bedrock in exposed portions of the Guiana Shield. It is reported to feed on periphyton and microfauna that occur on the surfaces and undersides of rocks in its habitat. The species reaches 8.1 cm SL. Its specific epithet honors Chris Beggin, who supported the research of the species. In the aquarium trade, this species is sometimes known by its L-number, which is L-239.
Chaetostoma platyrhynchus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Caquetá River basin in Colombia. The species reaches 9.5 cm in total length. The species is known to be of disputed classification and spelling.
Pseudoqolus koko is a species of catfish in the family Loricariidae and the only species in the genus Pseudoqolus. It is a freshwater fish native to South America, where it occurs in the Maroni basin. It is usually found on or near stony substrates in the main river channel at a depth of around 2 m. The species has been collected alongside multiple other loricariid species, including Hemiancistrus medians, Peckoltia otali, Pseudancistrus barbatus, Harttia guianensis, Loricaria cataphracta, and Rineloricaria stewarti. It is noted that the gut contents of one specimen of this species contained primarily spicules and sponge fragments, indicating that it may feed on freshwater sponges. The species reaches 9 cm SL.
Panaqolus purusiensis is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Macauã River basin in the Purus River drainage in Brazil for which it is named, although it has also been recorded from the Curanja River, which is also part of the Purus drainage in Peru. The species reaches 13 cm SL. It was redescribed in 2014 by Christian A. Cramer due to a lack of information on the species from the original description, which was based on a single specimen.
Peckoltia braueri is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Rio Negro and the Branco River. It is typically found among large boulders in fast-moving riffles. The species reaches 10.3 cm SL.
Peckoltia caenosa is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in streams in the llanos of Venezuela that are part of the Orinoco drainage basin. The streams that it inhabits are typically slow-flowing and muddy, and the species is often seen hiding inside submerged hollow logs during the day. The species reaches 15.7 cm SL. Its specific epithet is derived from a Latin word meaning "muddy" or "dirty", referring both to the species' mottled coloration and the muddy habitats in which it is found.
Peckoltia cavatica is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Rupununi basin in Guyana. It is found in areas with large amounts of lateritic rock, and it is usually seen in holes and caves within the rock, which are also where it is thought to breed. P. cavatica's preference for such environments was notable enough to the authors of its 2005 description, Jonathan W. Armbruster and David C. Werneke, that the specific epithet bestowed upon it means "living in caves" in Latin. The species reaches 7.2 cm SL.
