Crayfish can be eaten in all parts except the head, shrimp yellow, shrimp gills and shrimp thread. Most crayfish are very resistant to pollution, so they can still survive in water containing highly polluting toxins. Crayfish is an omnivore. In terms of eating habits, crayfish prefer to eat mud at the bottom of the river, and they like to eat dead small fish or other aquatic creatures. It mainly eats plants, and small fish, shrimp, plankton, benthos and algae can all be used as its food.

Crayfish can't eat part one: shrimp line

Crayfish shrimp line is the digestive system of crayfish intestine, which will accumulate a lot of heavy metals and waste that shrimp has not discharged, so it is not suitable for eating. Generally, the shrimp line can be taken out by pulling out the tail fin in the middle of the crayfish tail before cooking. If it is eaten outside, it must be pulled out.

Crayfish can't eat part 2: shrimp head

Shrimp head has no meat, and contains a lot of harmful metal elements. If eaten, it will be bad for human body, so you can tear it off with a knife or hand before cooking.

Crayfish can't eat part three: shrimp cheeks

Shrimp gills are the same as crab gills and fish gills, and they are inedible. There are many harmful substances in them, so they must be removed before cooking. Generally, shrimp gills can be seen when the shrimp head is torn off.

Crayfish can't eat part 4: shrimp yellow

Shrimp yellow is located on the head of shrimp, and there are many mature female shrimps, so the shrimp yellow must be removed during treatment.