The predatory carp (''Chanodichthys erythropterus''), also known as the redfin culter or skygazer, is a species of

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fishes, is a class of bony fish. They comprise over 50% of living vertebrate species. The ray-finned fishes are so called because their fins are webs of skin supported by bony or h ...

in the genus ''

Chanodichthys ''Chanodichthys'' is a genus of cyprinid freshwater fish, consisting of five species from eastern Asia (China, Mongolia, Russia and Vietnam). The name is derived from the Greek word ''chanos'', meaning "abyss, mouth opened, inmensity", and the Gr ...

''. This East Asian freshwater

cyprinid Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest ver ...

ranges from the Amur River south to

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

and the Red River, as well as

Lake Buir Buir Lake ( mn, Буйр нуур, Buir nuur; ) is a freshwater lake that straddles the border between Mongolia and China. It lies within the Buir Lake Depression. The Chinese city of Hulunbuir is named after both this lake and Hulun Lake, which ...

Mongolia Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million, ...

. It reaches in length and in weight.

References

Chanodichthys Fish described in 1855 Taxa named by Stepan Ivanovich Basilewsky {{Cultrinae-stub