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 lexi is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Grande River basin in Brazil. The species is large for a loricariid, reaching 46 cm SL, and it is believed to be a facultative air-breather.
Hypostomus unae is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Una River basin in the state of Bahia in Brazil. The species reaches 18.3 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 francisci is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the upper São Francisco River basin. The species reaches 36 cm SL.
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 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 SL and is believed to be a facultative air-breather.
Hypostomus scaphyceps is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Paranapanema River basin. FishBase states that the maximum length attained by the species is 3.5 cm SL, although that measurement has elsewhere been suggested to originate from a juvenile specimen, and as such the species can likely reach a size larger than that when fully grown.
Hypostomus brevicauda is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the coastal drainages of eastern Brazil. The species reaches 19.6 cm SL and is believed to be a facultative air-breather.
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 aspilogaster, known as the Jacuhy pleco, is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the drainage basins of the Uruguay River and the Lagoa dos Patos. The species reaches 26.5 cm in standard length and is believed to be a facultative air-breather.
Hypostomus auroguttatus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Paraíba do Sul basin in large rapids with rocky substrates. The species reaches 34 cm in total length and is believed to be a facultative air-breather. It is reportedly possible that the name Hypostomus auroguttatus is a senior synonym of Hypostomus luetkeni due to supposed confusion involving type localities, meaning that a new name may be necessary for H. auroguttatus auctorum multorum.
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 interruptus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Ribeira de Iguape River basin in Brazil, with the type locality reportedly being the Juquiá River. The species reaches 12 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 micromaculatus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the upper and middle Suriname River basin. The species reaches 18.5 cm (7.3 in) in standard length and is believed to be a facultative air-breather.
Hypostomus nickeriensis is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the upper Nickerie River basin in Suriname. The species reaches 17 cm in standard length and is believed to be a facultative air-breather.
Hypostomus nigromaculatus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the middle and upper Paraná River basin in Brazil. The species reaches 10.2 cm in standard length and is believed to be a facultative air-breather.
Hypostomus pospisili is a species of catfish in the family Loricariidae. It is native to South America, where it is known only from Venezuela. The species is believed to be a facultative air-breather. A 2003 taxonomic review conducted by Jonathan W. Armbruster of Auburn University listed Hypostomus pospisili as a synonym of Hypostomus hondae, although multiple sources recognize H. pospisili as a distinct species.
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.
