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Propagation and cultivation of razor clams

According to research, its suitable temperature range is 2℃~32℃, and its optimal water temperature is 15℃~27℃. It mainly feeds on phytoplankton and organic debris. Bamboo clams are dioecious, and their breeding period is about May to July. After their fertilized eggs spend a period of planktonic life in seawater, they develop into larvae and then gradually enter benthic life and grow. In addition to growing naturally, razor clams can also be artificially multiplied and cultured. Trial breeding shows that the main species to be cultured are large bamboo razor clams and long bamboo razor clams. These two species are large in size, grow fast, and have a large body proportion. They are excellent new marine aquaculture species with high economic value. According to trial breeding experience in some places, wild natural seeds can be used for breeding and management. Since the sizes of harvested natural seeds vary greatly, graded breeding methods are often adopted, with harvesting taking turns. The body length of razor clams that have been cultured for two years can reach about 8 centimeters, and the larger ones can reach more than 22 centimeters. Therefore, razor clams are a promising new species for marine aquaculture. Because there is no deeper understanding of the biological schedule and living habits of razor clams, large-scale breeding has not been carried out, and it is only in the trial breeding stage.

Bamboo razor clams, especially large razor clam species, are precious and difficult to collect. If you want to pick razor clams from the beach, ordinary people cannot ask local experienced fishermen to judge the hiding place of razor clams based on the blowholes on the beach. When collecting razor clams in winter, it is not easy to find razor clams hidden under the mud. The pores of razor clams can only be found by twisting a waste net into a rope as thick as an arm and scraping the mud on the beach in circles from the inside out. Usually there are two people, one pulling in front with a rope and the other hooking in the back. The razor clam hook is about 40 centimeters long. The lower part is a steel bar as thick as a chopstick, bent into the shape of a fishhook. The end of the razor clam hook is a handle fixed by a small wooden stick. The top is cut into a slanted butt. When you hold it in your hand, you can see that the hook is under the mud. direction. If there are razor clams, there will be seven eye holes exposed on the beach, but only one hole has razor clams. When hooking razor clams, the emphasis is on being ruthless, accurate, fast, and not panicking. When lowering the hook, the back of the hook is close to the body of the razor clam and extends into the mud. Turn the hook to the lower part of the razor clam and lift it gently to lift up a complete razor clam. In this way, the razor clam can neither escape nor damage the razor clam body.