? Channa, commonly known as blackfish, is categorized as belonging to the snakehead order, snakehead family, snakehead genus. Channa has the name of "fish in the treasure".

? Channa culture methods are as follows:

Culture conditions: pond to 667 ~ 1334 square meters (1 ~ 2 acres) is appropriate, the water depth of 150cm or so, the pond ridge above the water surface of 40 ~ 50cm, the pond surrounded by bamboo fences, nylon nets and other materials around the height of 50cm or more, in order to prevent the fish from jumping out of the pond. Water quality water source water quantity is sufficient, water quality is fresh, pond water dissolved oxygen 5mg / L or more, pH value of 7 ~ 8, transparency of 30cm or more.

Species selection: Choose the fish species with the same specification, clean body surface, full of muscle, no injuries and no disease, lively swimming, and fierce competition for food. Stocking density: 4,000 to 5,000 fish per 667 square meters (1 mu).

Feed selection: choose the unaltered ice, fresh small mixed fish. Feeding time, feeding once a day in the morning and afternoon. 8 a.m. to 9 a.m., 4 p.m. to 5 p.m.. Cut the feed into pieces, and when the temperature is roughly similar to the pool water temperature, feed it on the food table. Daily feeding amount of 3% to 10% of the total weight of the fish, should be flexible according to the situation, generally to the extent that the fish species do not eat on the food table.