| Hypancistrus debilittera | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Loricariidae |
| Genus: | Hypancistrus |
| Species: | H. debilittera |
| Binomial name | |
| Hypancistrus debilittera | |
Hypancistrus debilittera is a species of armored catfish native to Venezuela and Colombia where it occurs in the Orinoco River.
The hammerhead sharks are a group of sharks that form the family Sphyrnidae, named for the unusual and distinctive form of their heads, which are flattened and laterally extended into a cephalofoil. The shark's eyes are placed one on either end of this T-shaped structure, with their small mouths directly centered and underneath. Most hammerhead species are placed in the genus Sphyrna, while the winghead shark is placed in its own genus, Eusphyra. Many different— but not necessarily mutually exclusive—functions have been postulated for the cephalofoil, including sensory reception, manoeuvering, and prey manipulation. The cephalofoil gives the shark superior binocular vision and depth perception.
The term carp is a generic common name for numerous species of freshwater fish from the family Cyprinidae, a very large clade of ray-finned fish mostly native to Eurasia. While carp are prized quarries and are valued as both food and ornamental fish in many parts of the Old World, they are generally considered useless trash fish and invasive pests in many parts of Africa, Australia and most of the United States.
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological species. A series of Regional Red Lists, which assess the risk of extinction to species within a political management unit, are also produced by countries and organizations.
The macaques constitute a genus (Macaca) of gregarious Old World monkeys of the subfamily Cercopithecinae. The 23 species of macaques inhabit ranges throughout Asia, North Africa, and Europe. Macaques are principally frugivorous, although their diet also includes seeds, leaves, flowers, and tree bark. Some species such as the long-tailed macaque will supplement their diets with small amounts of meat from shellfish, insects, and small mammals. On average, a southern pig-tailed macaque in Malaysia eats about 70 large rats each year. All macaque social groups are arranged around dominant matriarchs.
The white-eyelid mangabeys are African Old World monkeys belonging to the genus Cercocebus. They are characterized by their bare upper eyelids, which are lighter than their facial skin colouring, and the uniformly coloured hairs of the fur. The other two genera of mangabeys, Lophocebus and Rungwecebus, were once thought to be very closely related to Cercocebus, so much so that all the species were placed in one genus, but Lophocebus and Rungwecebus species are now understood to be more closely related to the baboons in genus Papio, while the Cercocebus species are more closely related to the mandrill.
The zebra pleco is a species of catfish endemic to a small section of the Rio Xingu in Brazil. It occurs in the big bend area of the river, downstream from the town of Altamira, Para. It was first described in 1991. It gets its name from its black and white stripes, resembling the colouration of a zebra. This species grows to a length of 6.4 centimetres (2.5 in) SL. This species was exported from Brazil in 1987 for sale as aquarium fish. However, currently, the Brazilian government bans the export of certain fish species, including H. zebra.
An IUCN Red List Critically Endangered species is one that has been categorized by the International Union for Conservation of Nature as facing an extremely high risk of extinction in the wild. As of December 2023, of the 157,190 species currently on the IUCN Red List, 9,760 of those are listed as Critically Endangered, with 1,302 being possibly extinct and 67 possibly extinct in the wild.
Hypancistrus is a genus of loricariid catfish originating from the Amazon basin in South America. Unlike many of the other Loricariids, however, some Hypancistrus species are more carnivorous and enjoy meat in their diet. Hypancistrus species are popular aquarium fish, including such popular fish as the zebra pleco and Queen Arabesque pleco.
Peckoltia is a genus of small South American armored suckermouth catfishes. Many of these fish are popular aquarium fish.
A species that is extinct in the wild (EW) is one that has been categorized by the International Union for Conservation of Nature as only consisting of living members kept in captivity or as a naturalized population outside its historic range. Classification requires exhaustive surveys conducted within the species' known habitat with consideration given to seasonality, time of day, and life cycle. Once a species is classified as EW, the only way for it to be downgraded is through reintroduction.
Dekeyseria is a genus of suckermouth armored catfishes native to tropical South America.
Hypancistrus contradens is a species of armored catfish endemic to Venezuela where it occurs in the Orinoco River.
Hypancistrus inspector, commonly known as the snowball pleco, is a species of armored catfish native to Venezuela, Colombia and Brazil where it occurs in the upper Negro and upper Orinoco River basins. This species grows to a length of 12.59 centimetres (4.96 in) SL.
Hypancistrus lunaorum is a species of armored catfish endemic to Venezuela where it occurs in the Orinoco River.
Tarsius is a genus of tarsiers, small primates native to islands of Southeast Asia. Until 2010, all tarsier species were typically assigned to this genus, but a revision of the family Tarsiidae restored the generic status of Cephalopachus and created a new genus Carlito.
Han Nijssen was a Dutch ichthyologist.
Micracanthicus vandragti is a species of suckermouth catfish endemic to Venezuela where it is found in the Ventuari River and adjacent Orinoco River. This species grows to a length of 4.2 centimetres (1.7 in) SL. It is the sole species of the genus Micracanthicus.
Isaäc Jan Hendrik Isbrücker is a retired Dutch ichthyologist who specialised in the scientific classification of South American catfish (Loricarioidea).
Hypancistrus margaritatus is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Takutu River of Guyana, which is a tributary of the Branco River, which is in turn a tributary of the Rio Negro in the Amazon basin. The species reaches 4.6 cm SL. Its specific epithet means "adorned with pearls" in Latin, referring to its distinctive pearl-like white spots. It was described in 2016 by Milton Tan and Jonathan W. Armbruster on the basis of coloration, alongside the related species Hypancistrus phantasma.
Hypancistrus phantasma is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the Vaupés River in the Rio Negro drainage in the Amazon basin in Brazil. The species reaches 12.3 cm SL. Its specific epithet means "phantom" in Latin, referring to the species' notable elusiveness and its pale coloration. It was described in 2016 by Milton Tan and Jonathan W. Armbruster on the basis of coloration, alongside the related species Hypancistrus margaritatus.
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