Geophagus is a genus of cichlids that mainly live in South America as far south as Argentina and Uruguay, but a single species, G. crassilabris is from Panama. They are found in a wide range of freshwater habitats. They are part of a group popularly known as eartheaters and mostly feed by picking up mouthfuls of sediment to sift out food items such as invertebrates, plant material and detritus. The largest species reach up to 28 cm (11 in) in standard length. They are mostly kept in aquariums.
The Pimelodidae, commonly known as the long-whiskered catfishes, are a family of catfishes.
Brachyplatystoma is a genus of catfish from the family Pimelodidae. As the occasionally used common name goliath catfishes indicates, this genus includes some of the largest species of catfish, including the piraíba, B. filamentosum, which reaches up to the region of 3.6 metres (12 ft) in length. Brachyplatystoma are found in the Amazon and Orinoco basins, and other tropical freshwater and brackish habitats in South America. Some species are migratory. These fish are important as food fish and, to some extent, aquarium fish.
The porthole shovelnose catfish or spotted shovelnose catfish, Hemisorubim platyrhynchos, is the only species in the genus Hemisorubim of the catfish family Pimelodidae.
The gilded catfish or jau is a South American catfish of the family Pimelodidae. It is also known as manguruyu or black manguruyu.
Ernstichthys is a genus of banjo catfishes that occurs in the Amazon and Orinoco basins.
Sciades parkeri, the gillbacker sea catfish, is a species of sea catfish found in coastal rivers in Brazil, French Guiana, Guyana, Suriname, and Venezuela. While usually no more than 90 cm in length, it can reach lengths of up to 190 cm and weigh up to 50 kg.
Bagrichthys vaillantii is one of species of bagrid catfish in the genus Bagrichthys. This fish is endemic to Indonesia where it is found in the Mahakam River basin in eastern Borneo.
Anadoras regani is a species of thorny catfish found in the Oyapock and Amazon basins of Brazil, French Guiana, and Colombia. This species grows to a length of 11.0 centimetres (4.3 in) SL. The IUCN Red List considers it a junior synonym of Anadoras weddellii.
Parapteronotus hasemani, the duckbill knifefish, is a species of ghost knifefish found in main river channels and along the margins in the Amazon basin of Brazil and Peru. It is the only member of the genus Parapteronotus. This dark-colored knifefish reaches up to about 38 cm (15 in) in total length.
Anostomus ternetzi is a fish in the family Anostomidae.
Boulengerella cuiveri, commonly known as the bicuda, is a species of pike-characin in the family Ctenoluciidae.
Brachyplatystoma juruense, the zebra catfish, is a species of catfish of the family Pimelodidae that is native to Amazon and Orinoco River basin of Peri and Rio Juruá, northwestern Brazil, as well as Peru and Venezuela.
Brachyplatystoma platynemum, the slobbering catfish, is a species of catfish of the family Pimelodidae that ranges from Brazil, Colombia and Venezuela.
Brachyplatystoma tigrinum, the zebra shovelnose, or tigerstriped catfish, is a large species of catfish of the family Pimelodidae that is native to the Amazon basin in Brazil, Colombia and Peru. It is entirely piscivorous.
Brachyplatystoma capapretum, the dark caped goliath catfish, also called Peru piraiba catfish or false piraiba, is a species of catfish of the family Pimelodidae that is native to watershed areas of Brazil and Peru.
Brachyplatystoma filamentosum, commonly called piraíba, kumakuma, valentón or lau lau, is a species of catfish of the family Pimelodidae and genus Brachyplatystoma that is native to Amazon and Orinoco River basins and rivers in Guianas and northeastern Brazil.
Brachyplatystoma rousseauxii, the gilded catfish or dourada, is a species of catfish of the family Pimelodidae that is native to Amazon and Orinoco River basins and major rivers of French Guiana.
Hypophthalmus marginatus, commonly called the Mapará, is a species of demersal potamodromous catfish of the family Pimelodidae that is native to Amazon and Orinoco River basins of Brazil, Peru and major rivers of French Guiana and Suriname.
Copionodon lianae is a species of catfishes of the family Trichomycteridae. It is found in the Grisante River, a tributary of the Mucujê River, which is a tributary of the Paraguaçu River in Bahia, Brazil. This species reaches a length of 6.2 cm (2.4 in).
