| Platysmacheilus | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Cyprinidae |
| Subfamily: | Gobioninae |
| Genus: | Platysmacheilus Y. L. Lu, P. Q. Luo & Yi-Yu Chen, 1977 |
| Type species | |
| Saurogobio exiguus Lin, 1932 | |
Platysmacheilus is a genus of cyprinid fish endemic to China. There are currently four described species in this genus.
Cyprinus is the genus of typical carps in family Cyprinidae. Most species in the genus are of East Asia origin with only the common carp in Western Asia and Europe; this invasive species has also been introduced to many other regions around the world. Cyprinus are closely related to some more barb-like genera, such as Cyclocheilichthys and Barbonymus (tinfoils). The crucian carps (Carassius) of western Eurasia, which include the goldfish, are apparently not as closely related.
Crassostrea is a genus of true oysters containing some of the most important oysters used for food. Some species in the genus have been moved to the genus Magallana.
Rhinogobius is a genus of primarily freshwater gobies native to tropical and temperate parts of eastern Asia. Most are small, streamlined in shape, and often sexually dimorphic. Few are of commercial importance, but R. duospilus is fairly widely traded as an aquarium fish.
Sinocyclocheilus is a genus of freshwater fish in the family Cyprinidae that is endemic to Guangxi, Guizhou and Yunnan in China. Almost all of its species live in or around caves and most of these have adaptions typical of cavefish such as a lack of scales, lack of pigmentation and reduced eyes. Several species have an unusual hunchbacked appearance and some of the cave-dwellers have a "horn" on the back, the function of which is unclear. In contrast, the Sinocyclocheilus species that live aboveground, as well as a few found underground, show no clear cavefish adaptions. They are relatively small fish reaching up to 23 cm (9.1 in) in length. The individual species have small ranges and populations, leading to the status of most of the evaluated species as threatened. Many species populations in the genus have yet to be evaluated by the IUCN.
Garra is a genus of fish in the family Cyprinidae. These fish are one example of the "log suckers", sucker-mouthed barbs and other cyprinids commonly kept in aquaria to keep down algae. The doctor fish of Anatolia and the Middle East belongs in this genus. The majority of the more than 140 species of garras are native to Asia, but about one-fifth of the species are from Africa.
Gobio is a genus of typical gudgeons, ray-finned fish in the family Cyprinidae many of which are endemics of south-eastern Europe. Members of the genus are usually small fish, rarely longer than 10 cm.
Oreonectes is a genus of fish in the family Nemacheilidae found in the rivers and caves of Asia. Many of these species are troglobitic.
The Catostomidae are the suckers of the order Cypriniformes, with about 78 species in this family of freshwater fishes. The Catostomidae are almost exclusively native to North America. The only exceptions are Catostomus catostomus, found in both North America and Russia, and Myxocyprinus asiaticus found only in China. In the Ozarks they are a common food fish and a festival is held each year to celebrate them. The bigmouth buffalo, Ictiobus cyprinellus, can reach an age up to 127 years, making it the oldest known freshwater teleost by more than 50 years.
Beaufortia is a genus of gastromyzontid loaches from China and mainland Southeast Asia.
Vanmanenia is a genus of loaches from China and mainland Southeast Asia.
Belligobio is a small genus of cyprinid fishes containing two recognized species endemic to China. The type species of Belligobio is Belligobio eristigma, a synonym of Hemibarbus mylodon, and this taxa is not currently classified in Belligobio and some authorities suggest that Belligobio is a sub-genus within Hemibarbus.
Gobiobotia is a genus of cyprinid fish that is found in eastern Asia. Species are typically small bottom dwellers.
Hemibarbus is a genus of cyprinid fish found in eastern Asia. There are currently 12 recognized species in this genus.
Microphysogobio is a genus of freshwater fish in the family Cyprinidae native to East Asia.
Ptychidio is a genus of cyprinid fish endemic to China.
Sinilabeo is a genus of cyprinid freshwater fish found in China and Vietnam.
Xenocyprioides is a genus of cyprinid fish endemic to China. There are two described species in this genus.
Gobioninae is a monophyletic subfamily of Eurasian cyprinid fishes. A species-rich subfamily, it is divided into five tribes: Gobionini, Pseudogobionini, Hemibarbini, Coreiini, and Sarcocheilichthyini.
Platysmacheilus exiguus is a species of cyprinid endemic to China. P. exiguus is a subtropical freshwater benthopelagic fish Its homotypic synonym is Pseudogobioexiguus. Originally classified in 1932, its genus Platysmacheilus has been joined by the longibarbatus (1977), nudiventris (1977), and the zhenjiangenisis (2005).
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