Annai is an Amerindian village in the Upper Takutu-Upper Essequibo Region of Guyana.
Fairview (Kurupukari) is an indigenous settlement on the Essequibo River, in the Upper Demerara-Berbice region of Guyana. It is the entry point to the Iwokrama Forest. Former president David A. Granger once referred to Iwokrama as the "green heart of Guyana."
Ancistrus saudades is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Takutu River, the Ventuari River, the Caroní River, and the Caura River in Guyana, Venezuela, and Brazil. The species reaches at least 10.75 cm SL and was described in 2019 by Lesley S. de Souza of the Field Museum of Natural History, Donald C. Taphorn of the Royal Ontario Museum, and Jonathan Armbruster of Auburn University alongside five other species of Ancistrus. FishBase does not list this species.
Aphanotorulus emarginatus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Amazon River basin. The species reaches 15 cm in total length. It is known to be a facultative air-breather.
Aphanotorulus horridus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Madeira River basin. The species reaches 35.5 cm SL. It is thought to be a facultative air-breather.
Hypostomus rhantos is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Ventuari River as well as the upper Orinoco, ranging from above Puerto Ayacucho to the Casiquiare in Venezuela. The species reaches 19.6 cm SL. Its specific epithet, rhantos, derives from a Greek word meaning "speckled" and refers to the species' pattern of small spots.
Hypostomus annectens is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Cayapas River basin in Ecuador and the Patía River basin in Colombia. The species reaches 28 cm in total length and is believed to be a facultative air-breather. It is listed by ITIS as a member of Hemiancistrus as opposed to Hypostomus, which it is classified under according to FishBase.
Hypostomus formosae is a species of catfish in the family Loricariidae. It is a freshwater species native to South America, where it occurs in the Paraguay River basin. The species reaches at least 24.9 cm SL.
Hypostomus garmani is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the São Francisco River basin. The species reaches 13 cm SL and is believed to be a facultative air-breather.
Hypostomus kuarup is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Culuene River in the Xingu River basin in the state of Mato Grosso in Brazil. It is typically found in rapids within its range, although the type locality of the species has subsequently dried out due to the construction of a nearby dam. Despite this, it is still known to inhabit rapids above and below the dammed area, as well as a fish ladder built near the type locality. It is sympatric with its congener Hypostomus faveolus.
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 multidens is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Paranapanema River and the Paraná River in Brazil. It is typically seen in large rivers, where it usually occurs at low population densities. The species reaches 19.8 cm SL and is believed to be a facultative air-breather. Its specific epithet, multidens, refers to the species' distinctively high number of teeth, with individuals of H. multidens possessing between 122 and 267 teeth per mandibular ramus.
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 weberi is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the middle Rio Negro in Brazil. One record of the species' occurrence refers to a "río Cicipa", which is thought to possibly correspond with the Siapa River, a tributary of the Casiquiare in Venezuela. The species is typically found in rapids or flooded forest environments. It reaches 17.5 cm SL and is known to feed on detritus. Its specific epithet, weberi, honors Claude Weber of the Natural History Museum of Geneva, for his contributions to knowledge of the genus Hypostomus.
Hypostomus basilisko is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Salobra River basin, which is part of the Paraguay River basin in the state of Mato Grosso do Sul in Brazil.
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 chrysostiktos is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Paraguaçu River basin in Brazil. It is typically seen in blackwater portions of rivers with rocky substrates at elevations of 50 to 662 m above sea level. The species reaches 26 cm SL and is believed to be a facultative air-breather.
Hypostomus delimai is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Araguaia River and the Tocantins River in Brazil. It is typically found in areas with turbid water, riparian vegetation, and a substrate composed of rocks and sand. It is known to be sympatric with other species of Hypostomus, including H. faveolus and H. pyrineusi, as well as species of Aphanotorulus. The species reaches 25.3 cm in standard length and is believed to be a facultative air-breather.
Hypostomus faveolus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Tocantins River and the Xingu River in central Brazil. Adults of the species are typically found in both rapids and slow-flowing sections of medium to large rivers with varying substrates, although juveniles have been found in oxbow lakes and smaller streams. The species reaches 20.6 cm in standard length and is believed to be a facultative air-breather. Its specific epithet, faveolus, is derived from a Latin word meaning "honeycomb", referencing the honeycomb-like patterning exhibited by the species.
