Bighead carp and silver carp are not the same kind of fish. The bighead carp, also known as the white chub, water chub, jumping chub, chub, belongs to the order Carpiformes, family Carpidae, is a sideways flat, slightly high, fusiform body shape, greenish gray on the back, white on the sides and abdomen. The pectoral fins do not exceed the base of the ventral fins. Each fin is grayish white. The head is large. Eyes are positioned low. Scales fine. The horny ribs in the middle of the abdomen extend from the bottom of the pectoral fins to the anus. It is similar in form to the bighead carp, but the silver carp is impatient and good at jumping. The bighead carp is also known as the silver carp, fathead carp, baghead carp, bighead carp, black carp, hemp carp, and also called the male carp. It is a kind of freshwater fish. The bighead carp is one of the four big fishes in China, and it has the nickname of "scavenger in the water". It is similar to the silver carp in appearance, with a sideways flat body. The head is large and wide, and the mouth is also wide and slightly upturned. The eye level is relatively low. Bighead carp grows in freshwater lakes, rivers, reservoirs and ponds. It is mostly found in the middle and upper layers of the water. It is an endemic fish in China.