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.
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 carrioni is a species of armored catfish from South America. These fish reach 7.8 centimetres (3.1 in) SL. These fish are demersal and live in tropical, freshwater habitats. They are found in the Marañón River basin in Ecuador.
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.
Sebastes taczanowskii, the white-edged rockfish, is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae. It is native to the northwestern Pacific Ocean from northern Japan and far eastern Russia, it has also been reported from Korea. This species was first formally described in 1880 by the Austrian ichthyologist Franz Steindachner with the type locality given as Northern Japan. The identity of the person honoutred in its specific name is not certain but is thought likely to be the Polish zoologist Władysław Taczanowski, who possibly gave Steindachner the type which had been collected by another Polish zoologist, Benedykt Dybowski. Some authorities place this species in the subgenus Mebarus.This demersal fish is found in shallow waters near coasts and will enter estuaries and the juveniles live among floating seaweed. It is an ovoviviparous species. This species attains a maximum total length of 32 cm (13 in).
Andeancistrus eschwartzae is a species of catfish in the family Loricariidae. It is a freshwater fish native to South America, where it occurs in the Amundalo River, which is part of the Pastaza River drainage basin in Ecuador. The species reaches 14.4 cm SL and it is named after Eugenia Schwartz, who is noted to have supported the research needed to describe the species.
Chaetostoma aburrensis is a species of catfish in the family Loricariidae. It is native to South America, where it is known only from Colombia.
Chaetostoma anale is a species of catfish in the family Loricariidae. It is a freshwater species native to South America, where it occurs in the Orteguaza River basin, which is part of the Japurá River drainage in Colombia. The species reaches 16 cm in total length.
Chaetostoma anomalum is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of Lake Maracaibo, the Chama River, the Capazon River, and the Escalante River in Venezuela. The species reaches 16 cm in total length.
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 breve is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Zamora River basin, which is part of the Marañon River drainage in Ecuador. The species is large for a loricariid, reaching 30 cm in total length.
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.
Chaetostoma yurubiense is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Aroa River, the Yaracuy River, and the Urama River in Venezuela. The species is found in rocky riffles in clear upland headwaters and small creeks, and it reaches 17 cm SL.
Chaetostoma venezuelae is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the San Juan River basin in Venezuela. The species reaches 7.3 cm SL.
Chaetostoma vasquezi is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Orinoco, the Caura River, and the Caroní River in Venezuela. The species reaches 18.7 cm SL.
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 thomsoni is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Magdalena River basin in Colombia. The species reaches 10.1 cm in total length. It is sometimes seen in the aquarium trade, sometimes as Chaetostoma thomasi, a name which originated as a misspelling but has become relatively widely used despite being incorrect.
Chaetostoma tachiraense is a species of catfish in the family Loricariidae. It is a freshwater fish native to South America, where it occurs in the Catatumbo River basin at altitudes of up to 1,000 to 2,000 m. The species reaches 8.7 cm SL.
