The harm of tilapia is mainly reflected in the damage to the ecological environment.

Because tilapia is an exotic species, lack of natural enemies in the natural environment of China, if not controlled, it is easy to squeeze the living space of native species and destroy the diversity of native species, for example, in Guangdong, Guangxi, Hainan and other parts of the region, the tilapia has been flooded with many native species have been on the verge of extinction or even have gone extinct.

Tilapia is an important aquaculture species, also known as African carp, Vietnam fish, Wu Guo fish, Fukushu fish, etc., in biological classification belongs to the animal kingdom, chordata, spoke fin fish, perch-shaped order, Liliidae, tilapia fish collectively, native to tropical Africa, China's earliest in 1956 and 1957, respectively, was introduced from Thailand and Vietnam, has a very high food value and It has high food value and economic value.

Life habits of tilapia

1, the environment: tilapia is a pelagic fish, generally in the water column in the lower layer of the activities of the ability to tolerate low oxygen is very strong, suffocation point of 0.07-0.23 mg / l, dissolved oxygen 1.6 mg / l can still live, dissolved oxygen 3 mg / l above the growth of unaffected.

2, food: tilapia is omnivorous fish, natural conditions, mainly plant-based food, but also ingested zooplankton, aquatic insects, small crustaceans, animal carcasses, etc., artificial breeding conditions, more feeding plant-based feed, with granular feed.

3, reproduction: tilapia is an oviparous fish, spawning before the male fish digging the subsoil to build a pot-shaped nest, and then the female fish will be eggs in the nest, to be hatched by the female fish will be the young fish contained in the mouth to protect, and some species of female fish will be fertilized eggs directly contained in the mouth to hatch.