Glass or plexiglass transparent aquariums are best suited for viewing. If you need to raise more, you need to prepare more aquariums, because it has the habit of eating the same kind, you can't mix more than one, only 1 to 2 per animal. If you only keep 1-2 crayfish, you can use a 30cm*25cm rectangular aquarium.

The bottom of the box can be put into sand with a thickness of 3 to 7 cm. For the convenience of appreciation, pebbles of different sizes and colors can also be placed for decoration. 14 to 16 cm of water can be added to the box. The water for raising crayfish is best obtained from ponds or rivers. If it is difficult to obtain this water in the city and needs to be replaced with tap water, the tap water can be placed in a basin or bucket for 2 to 3 days. use.

Put some algae or other green plants in the water for the crayfish to hide. The top of the aquarium should be covered with a cover made of barbed wire, and it is best to press 2 heavier iron bars on it to prevent dogs, cats, mice, etc. from coming to infringe.

Always pay attention to the water quality of the food you feed. Generally, change the water once every 3 to 5 days in spring and autumn when the weather is cool, once every 7 to 10 days when the weather is cold in winter, and once every 7 to 10 days when the weather is hot in summer. The water should be changed every 2 days. If there are any remaining residues and debris in the food that is usually fed, use a gauze cover to remove it immediately to avoid polluting the water quality.