Hypostomus brevis is a species of catfish in the family Loricariidae. It is native to South America, where it is known from the Paraná River basin in Brazil. The species reaches 7.4 cm SL and is believed to be a facultative air-breather.
Hypostomus eptingi is a disputed species of catfish in the family Loricariidae. It is native to South America, where it occurs in northeastern Brazil. It reaches 12.2 cm SL and is believed to be a facultative air-breather.
Hypostomus laplatae is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Río de la Plata basin. Specimens of H. laplatae have been collected from two rivers, both of which are reported to have sandy substrates and moderate current.
Hypostomus latifrons is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Paraguay River basin. The species reaches 28.7 cm SL and is believed to be a facultative air-breather.
Hypostomus spiniger, sometimes known as the spiny plated pleco, is a disputed species of catfish in the family Loricariidae with a complex history of classification.
Hypostomus mutucae is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Cuiabá River basin in Brazil. The species reaches 10.9 cm SL.
Hypostomus carinatus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the middle Amazon River basin. The species reaches 24.8 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 corantijni is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Courantyne River basin. The species reaches 18.8 cm SL.
Hypostomus ericius, sometimes known as the beige cochliodon, is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the upper Amazon River drainage in Peru. The species reaches 18.7 cm in standard length.
Hypostomus albopunctatus 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 and the Paraguay River, including the Iguazu River. The species reaches 40 cm in standard length, can weigh up to at least 991 g, and is believed to be a facultative air-breather. While similar to the related species Hypostomus heraldoi, H. albopunctatus can be distinguished by its distinctive pale spots and the length of its fin rays. Its specific epithet, albopunctatus, refers to these spots.
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. Its specific epithet, isbrueckeri, presumably honors Isaäc J. H. Isbrücker, a Dutch ichthyologist known for his contributions to the study of loricariid catfish.
Hypostomus luteomaculatus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Uruguay River basin in Argentina, Brazil, and Uruguay. The species reaches 28 cm in standard length and is believed to be a facultative air-breather.
Hypostomus margaritifer is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the upper and middle Paraná River basin. The species reaches 33 cm (13 in) in total length and is believed to be a facultative air-breather. It is known to be syntopic with other loricariid species in the genus Hypostomus, including Hypostomus ancistroides, H. denticulatus, H. heraldoi, H. iheringii, and H. regani.
Hypostomus microstomus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the middle Paraná River basin in Argentina, Brazil, Paraguay, and Uruguay. The species reaches 24 cm in standard length and is believed to be a facultative air-breather.
Hypostomus pantherinus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Madeira River basin in Brazil. The species reaches at least 4.8 cm in standard length and is believed to be a facultative air-breather. Although originally described by Rudolf Kner in 1854 based on a single specimen from the Guaporé River basin in Brazil, Hypostomus pantherinus was redescribed in 2021 and its range was found to also include Bolivia.
Hypostomus piratatu is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in eastern tributaries of the Paraguay River in Argentina and Paraguay. The species reaches 27.5 cm in standard length and is believed to be a facultative air-breather.
Hypostomus roseopunctatus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Uruguay River basin in the Río de la Plata system in Argentina and Brazil. The species reaches 43.3 cm in total length, can weigh up to at least 796 g, and is believed to be a facultative air-breather.
Hypostomus variostictus 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 Argentina and Brazil. The species reaches 5.7 cm in total length and is believed to be a facultative air-breather.
