Hypostomini
| Hypostomus | |
|---|---|
 |
|
| Hypostomus plecostomus | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Loricariidae |
| Subfamily: | Hypostominae |
| Genus: |
Hypostomus Lacépède, 1803 |
| Type species | |
|
Hypostomus guacari Lacépède, 1803 |
|
| Synonyms | |
|
Cheiridodus Eigenmann, 1922 |
|
Cheiridodus Eigenmann, 1922
Cochliodon Heckel, 1854
Plecostomus Gronovius, 1754
Watawata Isbrücker & Michels, 2001
Hypostomus is a genus of fish in the family Loricariidae. They are native to tropical and subtropical South America. H. plecostomus is the popular freshwater aquarium fish formerly known as Plecostomus plecostomus. There is a lot of confusion as to the precise taxonomic structure of the Loricariidae.
This genus is the type member of its tribe Hypostomini and subfamily Hypostominae. The type species of Hypostomus is H. guacari.
With the inclusion of Aphanotorulus, Isorineloricaria and Squaliforma, the genus Hypostomus is by far the largest genus of Loricariidae and the second largest genus of catfish. However, a good way to split up the genus further is unclear. Species level taxonomy of Hypostomus is still poorly known as well as the phylogenetic relationships within and of the genus. It has been shown that the genus does not form a natural group. However, small monophyletic groups are known to exist within the genus Hypostomus, such as the H. cochliodon group.Aphanotorulus and Isorineloricaria are considered separate genera by some authors based on molecular information.
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