How to differentiate between grass carp, carp and crucian carp

Grass carp, carp and crucian carp are common freshwater fish, and they have some obvious differences in appearance.

1. Grass carp: Grass carp generally has a long body with flat sides and a small and flat head. The back of the body is blue-grey, and the belly is lighter, sometimes yellowish-white. The back of adult grass carp sometimes appears green. Moreover, grass carp has special tentacles in its mouth.

2. Carp: Carp has a flat side body, a large head, and a slightly lower mouth. Generally speaking, the body color of carp is brighter, usually golden yellow or silver gray, and the eyes of carp are larger, often golden or red.

3. Crucian carp: Crucian carp has flat sides and a small and flat head. The body color of crucian carp is generally gray or silver gray, and the color of the abdomen is relatively lighter. Crucian carp usually has a more obvious mouth like a shark.

Generally speaking, these types of fish are different in body shape, body color and head characteristics. By carefully observing these characteristics, they can generally be distinguished more accurately.