How to raise crabs 1. Container: To breed crabs, you first need to prepare a container. You can use a fish tank, preferably with a cover to prevent the crabs from running out. A basin is also OK, to prevent the water from being too deep and causing harm to the crabs. You can also put some sand in the water. When you first start breeding crabs, they will not be able to adapt, but they will be fine after a few days. 2. Feeding: Feeding crabs is also an important task. There are many kinds of food that crabs can eat. The most common ones are small fish and shrimps. In addition, there are egg yolks, red nematodes, etc. You can also let them eat some grass. Each time you feed them, let them finish eating within half an hour. Don't feed them too much, which will cause too much food to remain in the water and easily make the water dirty. 3. Water quality: It is relatively convenient to breed river crabs. You can get some river water or lake water, or you can use tap water at home directly. However, tap water needs to be exposed to the sun before use. It is more troublesome to breed sea crabs, because they generally cannot adapt to freshwater environment, and they need to simulate seawater environment. During the breeding process, the water also needs to be changed regularly, generally once a week. 4. Water temperature: Water temperature has a great influence on the crab's appetite, so it is best to keep it appropriate. Generally speaking, it is more suitable to keep it above 15 degrees, as they have a strong appetite and grow better. 5. Sunbathing: You can let them bask in the sun for a while, but not for too long. 6. Cleaning: When breeding crabs, you need to clean their bodies regularly. You can first fix their bodies, and then use tools such as toothbrushes, shower gel or soap to scrub their bodies. The container can also be properly cleaned to prevent the crabs from getting sick. |
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