Juvenile eels eat water silk worms, earthworms, rotifers, branchiostomes, tsetse, and adult eels mainly consume earthworms, small miscellaneous fish, snails, mussels, shrimp, tadpoles, small frogs and insects.

Wild eels generally prey on small fish, frogs, shrimp, etc., and sometimes also eat some plants in the water, such as duckweed and other water plants. Artificial eels are fed with earthworms and some animal offal, but also with rice or tofu dregs and other feed. The eel's body is elongated and serpentine, with a length of about 20 to 70 centimeters and a maximum length of 1 meter. The body is rounded in front and flattened in the back, the tail is pointed and thin, and the head is long and round. The mouth is large, end position, the upper jaw is slightly protruding, the lip is quite developed, the upper and lower jaws and the mouth cover bone have fine teeth.

Life habits of eels

The eel is a tropical and warm-temperate fish, benthic fish, adaptable, in rivers, lakes, ditches and paddy fields can survive. It is rarely active during the day and comes out at night to forage for food. Gills are not developed, but with the oral cavity and the laryngeal cavity of the inner wall of the epidermis as a respiratory auxiliary organs, can breathe air directly. In the water oxygen content is very poor, can also survive. Out of the water, as long as the skin is kept moist, within a few days will not die.

The eel is a variety of small animals for food omnivorous fish, sex greedy, summer feeding is the most exuberant, the cold season can be a long time without food, but not to death. In winter, deep in the hole hibernation, spring eel after a winter of lurking, physical consumption is too large, need to eat a lot, so the spring is a great period of fishing eel.