Make money. The profit from selling swimming crabs can be about 20%. At present, the market price list only weighs six or two live crabs and retails for more than one catty in 70 yuan. A live crab weighing half a catty retails about a catty in 60 yuan; Live crabs weighing more than four or two retail for more than 40 yuan a catty; 20 live crabs weighing more than 220 to 30 yuan a catty. In addition, according to the quality of the price, you can sell it at a good price while it is fresh, and sometimes the profit is more than 20. So in summary, it is still profitable.