The crayfish does not recognize its owner. Generally speaking, shrimps are divided into ornamental shrimps and edible shrimps. Whether they are ornamental shrimps or edible shrimps, they will not recognize their owners. Crayfish are edible shrimps. Crayfish have no memory and no IQ. The purpose of survival is to find food to maintain the body. Function. If the shrimp is fed for a long time, the shrimp may feel familiar with the owner, but this does not mean that it recognizes the owner.

How to raise crayfish:

1. Choose a suitable aquarium. When adjusting the filtration system of the aquarium, the water suction port should be processed with filter cotton, or a water filter should be used to prevent young shrimps from being sucked into the filter device.

2. When arranging the bottom of the tank, larger filter bottom sand should be placed at the bottom of the water tank. Shrimp eat a lot and need to be cleaned every week.

3. A certain amount of aquatic plants need to be placed in the water tank as a shelter for the shrimp. Placing aquatic plants in the water tank can also improve the shrimp's environmental adaptability.

4. The main food of shrimp is kelp, spinach and other pesticide-free vegetables, as well as some frozen bloodworms and fish feed for small lamprey fish.