Mini crabs eat shrimp, small fish and so on. They can also eat some egg yolks and animal offal, and they can also be fed artificial feed. Feeding methods should pay attention to raw fish and shrimp meat or red worms rich in high-quality protein, and small fish and crabs can also be raised together to let crabs eat some microorganisms; It is necessary to replenish oxygen to the water body, clean the water tank regularly and put proper amount of salt for disinfection.

Mini crabs are omnivores, and can be raised in both fresh water and salt water. If properly fed, you can live for five years. In the natural environment, most mini crabs feed on snails, mussels and some small fish and shrimp, and also eat some weeds, duckweed and other plants to help digestion.

The growth of mini crabs needs calcium. When feeding mini crabs, it is best to give them nutritious fish and shrimp, which they like to eat. If you have time and energy, it is also good to feed snails, miscellaneous fish, mussels, silkworm chrysalis, earthworms and various animal viscera, and then give some vitamins to fresh fruits such as apples and pears and various green leafy vegetables. If you are too busy to have time, you can buy raw fish and shrimp, which is simple and convenient. You can also use commercial crab food as the main food, supplemented by seaweed particles, and mini crabs also like to eat it.

In hot season, it is necessary to adjust the food structure of mini crabs, reduce the feeding of animal food and increase the feeding of plant food.