Cordylancistrus is a genus of suckermouth armored catfish native to South America. It is much the same as Chaetostoma. The few differences are a wider head, longer cheek odontodes, and plates on the snout. Cordylancistrus can be found in rivers and streams high in the Andes, from Venezuela to Colombia.
The Hypostominae are a subfamily of catfishes of the family Loricariidae. Most members are restricted to tropical and subtropical South America, but there are also several species in southern Central America. Hypostomus plecostomus, which is popular in the aquarium trade, has been introduced to several regions far from its native range.
Chaetostoma, also known as the bristlemouth catfish, is a genus of suckermouth armored catfishes native to South America with one species, C. fischeri, extending into Panama. Most species inhabit flowing rivers in the lower Andes and its foothills. Some species are kept in unheated aquaria.
Chaetostoma lexa is a species of armored catfish only known from streams and rivers that feed into the Huallaga River near Tingo María, Leoncio Prado Province, Peru. This species grows to a length of 4.89 centimetres (1.93 in) SL. The genus Loraxichthys is a synonym of Chaetostoma.
Panaque titan is a species of freshwater fish from the South American armoured catfish family Loricariidae. It is known from several rivers in the Napo River basin in Ecuador, where it was perhaps first encountered in 1975, although it was not scientifically described until 2010. The species reaches at least 39.4 cm SL.
Chaetostoma bifurcum is a species of catfish in the family Loricariidae. It is a freshwater fish native to South America, where it is found in the Pacific coastal drainages of Ecuador and Peru, including the basins of the Esmeraldas River, the Guayas River, the Santa Rosa River, and the Tumbes River. It inhabits regions of foothills at an elevation of 100 to 650 m above sea level. The species reaches 14 cm SL.
Chaetostoma branickii is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Chamaya River basin, which is part of the Marañón River drainage in Peru. The species reaches 13.2 cm SL.
Chaetostoma changae is a species of catfish in the family Loricariidae. It is native to South America, where it is known only from Peru. The species reaches 7.6 cm SL and its specific epithet honors Fonchii Chang, a Peruvian ichthyologist of the National University of San Marcos.
Chaetostoma trimaculineum is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the drainage basins of the Santiago River and the Marañón River in Ecuador and Peru. The species reaches 16 cm SL.
Chaetostoma taczanowskii is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Huallaga River and the Urubamba River in Peru. The species reaches 17 cm in total length.
Chaetostoma daidalmatos is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Huallaga River basin in Peru. The species was described alongside the species Chaetostoma stroumpoulos in 2006 by Norma J. Salcedo of the College of Charleston on the basis of distinctive morphology and coloration.
Chaetostoma dupouii is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Tuy River basin in Venezuela. The species reaches 7.9 centimetres (3.1 in) SL. It was described in 1945 by Agustín Fernández-Yépez, a Venezuelan ichthyologist, with its type locality listed as the Encantado River, a tributary of the Río Grande, which itself is a tributary of the Tuy River.
Chaetostoma loborhynchos is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Tambo River basin, which is part of the Ucayali River drainage in Peru. The species reaches 14.2 cm SL. It is the type species of the genus Chaetostoma.
Chaetostoma joropo is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Cusiana River basin in the Orinoco drainage in Colombia. The species reaches at least 12.47 cm SL and was described in 2016 by Gustavo A. Ballen of the University of London, as well as Alexander Urbano-Bonilla and Javier A. Maldonado-Ocampo of the Pontifical Xavierian University. It appears in the aquarium trade, where it is frequently referred to by its L-number, which is L-445. This species has reportedly been known to aquarists for quite some time prior to its 2016 scientific description.
Chaetostoma lineopunctatum is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Aguaytía River, the Pachitea River, and the Pisqui River in the Ucayali River drainage in Peru. The species reaches 14.3 cm SL. It appears in the aquarium trade, where it is referred to as the bloodfin bulldog pleco or by its L-number, which is L-276.
Chaetostoma marmorescens is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Huallaga River basin in the Marañón River drainage in Peru. The species reaches 13.5 cm SL and reportedly inhabits high-altitude areas.
Chaetostoma milesi is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Magdalena River and the Apure River. The species reaches 13 cm SL. It appears in the aquarium trade, where it is most frequently referred to as either the bulldog pleco or the rubbernose pleco.
Chaetostoma spondylus is a freshwater species of catfish in the family Loricariidae and the genus Chaetostoma. It is a demersal fish with a pH range of about 6–7.1. It is native to South America, where it occurs in the Chotano River, the Huancabamba River, the Sendamal River, and the Utcubamba, which are mountain tributaries of the Marañón River located at around 1500 to 2000 meters above sea level. These rivers are, by extension, part of the Amazon River basin in Peru.
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.
Loricariichthys stuebelii is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Huallaga River basin in the upper Amazon River drainage in Peru. The species reaches 19 centimetres (7.5 in) in standard length and is believed to be a facultative air-breather.
