1, carp has more thorns. In addition to a big thorn that runs through their whole bodies, there will be many small thorns in their bodies. These small spines are not only large in number, but also relatively small, and sometimes their distribution is irregular, which brings great trouble to the treatment of fishbone of carp. In addition to removing the main thorn, we should carefully pick out all the small thorns on it.

2. chubby fish don't have many thorns. They are all big thorns. It's easy to pick out without small thorns. The chubby fish is called bighead carp, which is a kind of freshwater fish and is called the scavenger in the water. Bighead carp is also called bighead carp, silver carp and Baotou fish. Bighead carp is also one of the four major fishes in China. Bighead carp looks more like silver carp, with a flat body, a big and wide head and a big mouth. Bighead carp lives in freshwater lakes, ponds, reservoirs and rivers, and most of them live in middle and upper waters.