Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
A snakehead is any of about 31 species of the freshwater fishfamilyChannidae. They are found in the Indo-Pacific region, epecially China and Sri Lanka, where they are considered a delicacy. The predatory fish have a long dorsal fin, small head, large mouth and teeth, and can survive on land for a short period of time (compare eel). They feed on other fish, earthworms, insects, aquatic birds and, occasionally, small mammals such as rats. Adult snakeheads can reach a length of 1 meter and a weight of more than 6 kilograms.