The Magdalena River is the main river of Colombia, flowing northward about 1,528 kilometres (949 mi) through the western half of the country. It takes its name from the biblical figure Mary Magdalene. It is navigable through much of its lower reaches, in spite of the shifting sand bars at the mouth of its delta, as far as Honda, at the downstream base of its rapids. It flows through the Magdalena River Valley.
Farlowella is a genus of fish in the family Loricariidae native to South America. This genus is broadly distributed in Amazon, Orinoco, Paraná and coastal rivers of the Guyana Shield. It is absent from the Pacific slope of the Andes and from the coastal rivers of the Brazilian Shield. Many of these species are kept in aquariums. This genus has a unique body shape that resembles a thin stick of wood. The body is slender and elongate, often with a pronounced rostrum and a brownish color with two lateral dark stripes beginning at the tip of the rostrum, passing over the eyes and ending at the tail, which are periodically interrupted on the caudal peduncle.
Limatulichthys griseus, is a species of catfish in the family Loricariidae.
Loricaria is a genus of armored catfish native to South America.
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.
Chrysobrycon is a genus of characins endemic to South America.
Microglanis iheringi is a species of South American catfish described by Alcides Lourenço Gomes in 1945. The species belongs to the genus Microglanis, a group of catfishes that are native to South America and which are distributed widely throughout the region. M. iheringi is endemic to the Orinoco river basin and populations are present in parts of Colombia and Venezuela. One estimate places the total population at more than 10,000 individuals.
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 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 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 brevilabiatum 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 Cimitarra River in Colombia. The species reaches 11.9 cm SL and is known from high-altitude environments.
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 vagum is a species of catfish in the family Loricariidae. It is 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 9.9 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 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 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.
