The green crabs in the intertidal zone should be collected in a timely manner, take arrest measures, catch large and small, and trap fat and thin, so as to obtain higher economic benefits. September is the mating season of blue crabs. Male crabs should be collected in due time because male crabs lose weight after many times of mating, which reduces the food value of crabs and causes a large number of deaths. The female crabs after mating are approximately the same. After 30-40 days of feeding, it will become a crab. If it is over-riped, it will lead to the holding of crabs, which will also reduce the value. In addition, the water temperature in the sea area is declining. It is difficult to raise green crabs in winter, and it is also required to collect them in a timely manner. The general year requires that the blue crabs in the pond be captured before the end of October. The collection methods for the green crabs are as follows:
(a) Lights captured. According to blue crabs like to climb the edge of the pool or tide habits during the night, lighting can be used to dig out the net.
(b) Dry poolers catch and arrest.
Unarmed fishing is an ancient and practical crab-handling technique. Crabs will not be damaged, but skilled techniques are required. Use crab crab. Basically, the crab can be netted, which saves time, but the crab is easy to be injured. Be careful when you operate it. The captured blue crabs must be bundled to prevent them from being bitten by each other. It should be stored in a cool and humid place during high temperatures in summer and covered with water and grass when it is cold.
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