Not much.

The fathead minnow has relatively few spines and they are large and easy to pick out. It is also called bighead carp, chub, pine fish, _ fish, black chub, etc. It is a bighead carp family. The growth rate is relatively fast, and it can reach four or five kilograms at the age of three, with the largest individual reaching 40 kilograms, which is naturally productive.

The term "bighead carp" generally means "bighead carp".

The bighead carp (scientific name: Aristichthys nobilis) is an animal of the carp family of the order Carpiformes, and is also known as the bighead carp, fathead carp, big head fish, big head fish, black chub, hemp chub, and is also called the male fish. It is also known as the "water scavenger" and is endemic to China.

The bighead carp is laterally flat and high, with a rounded abdomen before the base of the abdominal fins, and narrow abdominal ribs from the back to the anus. The head is very large, broad in front, and the head is larger than the body height. The muzzle is short and rounded. The mouth is large, telescopic, with an upwardly sloping cleft, slightly protruding mandibles, the angle of the mouth up to just below the vertical line of the anterior margin of the eye, and the middle portion of the upper lip is very thick.

Not bearded. Eyes small, situated below the median axis of the anterior side of the head; interocular space broad and elevated. Nostrils near top of eye margins. Hypopharyngeal teeth flattened, with smooth surface.