Hypostomus johnii is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Parnaíba River and the São Francisco River. The species reaches 11.3 cm SL and is believed to be a facultative air-breather.
Hypostomus pagei 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 Tocuyo River, and the Yaracuy River in Venezuela, although it has also been reported from Suriname. The species reaches 18.9 cm SL and is believed to be a facultative air-breather. Its specific epithet, pagei, is stated to refer to Dr. Lawrence M. Page, who collected a majority of the specimens of the species.
Hypostomus borellii is a species of catfish in the family Loricariidae. It is native to the upper and middle Pilcomayo River basin in Argentina, Uruguay, and Bolivia. The species reaches 16.1 cm (6.3 in) standard length and is believed to be a facultative air-breather.
Hypostomus derbyi is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Iguazu River and the Urugua-í River, which are both tributaries of the Paraná River. The species reaches 31 cm in standard length and is believed to be a facultative air-breather.
Hypostomus dlouhyi is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Yguazú River basin in the middle Paraná River drainage. The species reaches 24.5 cm SL and is believed to be a facultative air-breather.
Hypostomus ericae is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the upper Tocantins River drainage in Brazil. The species reaches 24 cm in total length. Its specific epithet, ericae, honors Erica Pellegrini Caramaschi, who collected the first specimens of the species. The fish was formally described as a species new to science in 2005 by Pedro Hollanda Carvalho and Claude Weber in 2005. Characteristics that distinguish it from other catfish in genus Hypostomus include the number of odontodes in the opercle; its colour pattern, which features widely spaced spots on its body; the presence of a buccal papilla; and the depth of its caudal peduncle.
Hypostomus hermanni, sometimes known as Hermann's pleco, is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Tietê River basin, including the Piracicaba River, in Brazil. It is typically found in areas with flowing water of shallow to moderately shallow depth. The species reaches 24 cm (9.4 in) in total length and is believed to be a facultative air-breather.
Hypostomus myersi is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Iguazu River and the Urugua-í River. The species reaches 20.7 cm SL and is believed to be a facultative air-breather.
Hypostomus regani is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Paraná River, the Paraguay River, and the Uruguay River. The species reaches 41 cm (16 in) SL and is believed to be a facultative air-breather.
Hypostomus taphorni is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Essequibo River basin. The species reaches 22.8 cm (9.0 in) SL and is believed to be a facultative air-breather.
Hypostomus ternetzi is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Paraná River, the Paraguay River, and the Uruguay River. The species reaches 34.3 cm in total length and is believed to be a facultative air-breather. It is known to spawn by excavating nests in stream banks in which eggs are deposited.
Hypostomus vaillanti is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Preto River basin in the São Francisco River drainage. The species reaches 18.5 cm SL and is believed to be a facultative air-breather.
Hypostomus boulengeri is a species of catfish in the family Loricariidae. It is native to South America. The species reaches 24.5 cm SL and is believed to be a facultative air-breather.
Hypostomus carvalhoi is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Jaguaribe River basin. The species reaches 14.2 cm SL and is believed to be a facultative air-breather.
Hypostomus commersoni is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Paraná River drainage, including the Iguazu River, the Paraguay River, the Río de la Plata, and the Dulce River. It is typically found in rivers with muddy substrates and moderate currents. The water that H. commersoni inhabits usually has a temperature of 16.8 to 27.8 °C, a pH of 7.2 to 9.2, a turbidity of 23.7 to 442 NTU, an oxygen concentration of 6.1 to 9.1 mg/L, and a conductivity of 1.087 to 2.654 μS/cm.
Hypostomus heraldoi is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Corumbá River and Rio Grande basins in the upper Paraná River drainage in Brazil. It is typically found in turbid waters with a substrate composed of rocks with some amount of sand. It is known to be syntopic with other loricariid species in the genus Hypostomus, including Hypostomus ancistroides, H. denticulatus, H. iheringii, H. margaritifer, and H. regani. The species reaches 23.6 cm in standard length and is believed to be a facultative air-breather.
Hypostomus iheringii is a species of catfish in the family Loricariidae. It is native to South America, where it is occurs in the Paraná River drainage basin, being known from the Tietê River basin as well as the Corumbá River, where it is syntopic with Hypostomus ancistroides, H. denticulatus, H. heraldoi, H. margaritifer, and H. regani. The species reaches 11.6 cm in standard length and is believed to be a facultative air-breather.
Hypostomus isbrueckeri is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the middle and upper Uruguay River basin. The species reaches 30.8 cm in total length, can weigh up to at least 285 g, and is believed to be a facultative air-breather.
Hypostomus renestoi is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the upper Paraguay River basin in Brazil. The species was described in 2018 by Cláudio Henrique Zawadzki, Hugmar Pains da Silva, and Waldo Pinheiro Troy alongside the redescription of Hypostomus latirostris. FishBase does not list this species.
Hypostomus pyrineusi is a species of catfish in the family Loricariidae. It is native to South America, where it reportedly occurs in the Madeira River basin in Brazil. The species reaches 26 cm in total length and is believed to be a facultative air-breather.
