The forest snakehead, Channa lucius, is a species of snakehead

Channidae

The Snakeheads are members of the freshwater perciform fish family Channidae, native to Africa and Asia. These elongated predatory fish are distinguished by a long dorsal fin, large mouth and shiny teeth. They breathe air with a suprabranchial organ, a primitive form of a labyrinth organ...

, a fish of the Channidae

Channidae

The Snakeheads are members of the freshwater perciform fish family Channidae, native to Africa and Asia. These elongated predatory fish are distinguished by a long dorsal fin, large mouth and shiny teeth. They breathe air with a suprabranchial organ, a primitive form of a labyrinth organ...

 family. It lives in forest streams and can reach 40 cm in length. Its range includes most of South-east Asia and parts of southern China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

. The forest snakehead is known in Thai language

Thai language

Thai , also known as Central Thai and Siamese, is the national and official language of Thailand and the native language of the Thai people, Thailand's dominant ethnic group. Thai is a member of the Tai group of the Tai–Kadai language family. Historical linguists have been unable to definitively...

as Pla Krasong .

Description

It has a distinct series of port-hole markings on the side and has a more tapering head compared to other snakeheads. Juveniles are pale and have three lateral stripes from head to tail.