The bighead carp is a fish of the family Carpidae of the order Carpiformes of the order Spinopoda, also known as the "fathead" and "bighead" fish.
The bighead carp is a common fish, and one of the most distinctive features of the bighead carp is that it has a very large head, which can account for one-third or even nearly one-half of its body.
Bighead carp originated 25 million years ago, the breeding of the geographical area is mainly concentrated in Guangdong, Hubei, Hunan, Jiangsu, Zhejiang, Anhui, Jiangxi and other provinces, is one of the main objects of pond culture and reservoir fisheries, high economic value, has become the leading species of industrial development of security.
The bighead carp, considered an invasive species in North America, has become a serious threat to many local species by proliferating its population in local water bodies and competing for food with them, thus affecting the local ecological balance. In addition, bighead carp uproot and destroy aquatic plants on the bottom of the water in search of food, affecting the natural environment of the water.
Life habits of bighead carp
The bighead carp lives in the middle and upper layers of the main streams of rivers and gently sloping bays, lakes and reservoirs, and the juvenile and immature individuals generally go to the lakes along the rivers and subsidiary bodies of water to grow, and go to the rivers to spawn when they are sexually mature, and most of the individuals go into the lakes along the rivers to feed and fatten up after spawning, and in winter when the water level of the lakes falls, they return to the deep waters of the rivers to overwinter. After spawning, most individuals enter the lakes along the rivers to feed and fertilize. The bighead carp is a warm-water fish, suitable for the growth of the water temperature of 25 ~ 30 ℃, can adapt to the more fertile water environment, temperament tame, slow action.
The bighead carp is a typical plankton-feeding fish that feeds on zooplankton and phytoplankton from fry to adult stage. Under artificial feeding conditions, it also eats artificial feeds such as soybean cake, rice bran, wine lees, and feces of poultry and livestock. The intensity of feeding varies with the season, and the intensity of feeding is greater from April to October every year.