Little crabs eat small fish, shrimp, earthworms, and so on.
Crabs are not picky about their food. They eat almost anything. Small fish and shrimp are the crabs' favorites. They can be separated from feed and bait such as red insects, fish and shrimp, and snails when feeding.
In a crab tank, the owner can spend some time planting water plants such as goldfish, bitter greens, water peanuts, duckweed, water lilies, rotifers black algae and so on. If you can't find suitable small fish and shrimp. Sometimes small earthworms can be used instead.
How to raise crabs
1, the breeding environment
In the process of breeding crabs, we should prepare fish tanks or glass tanks as vessels, to lay fine sand on the bottom, to provide a suitable environment for the growth of the crabs, but also to add the river, lake water in the tank. If you want to use tap water, you have to let the water stand before using it.
2, feeding methods
Crab breeding in the early stages of feeding, this time the crabs have not adapted to the environment, is not eating, need to wait for a period of time and then feed, you can provide the crabs with fish, shrimp, egg yolks, red nematodes, and other food, and after each feeding, let the crabs in half an hour after the feeding, and remove the food residues in a timely manner. food residues.
3, regular cleaning
Breeding crabs, be sure to clean them regularly, use a toothbrush dipped in shower gel or soap, brush its back armor, to avoid breeding bacteria, resulting in soft and damaged crab shells, and in each water change, the aquarium should be discharged, and then clean the interior, then put the crabs back into the culture.