The present invention relates to a crab and octopus trap. According to the present invention, the trapping inlet hole of the trapping opening and closing port, which is integrally formed to communicate with the ends of the side guide plate and the inclined plate, by the adhesion force of the blue crab and octopus that are attracted to the inside of the inclined plate of the inlet trapping frame, is elastically up and down. It was supported by the stepping plate cutout and upper and lower inclined finish plates and elastic spring materials so that it was opened and formed in an oval shape to facilitate capture. It quickly returned to the dead angle to prevent escape, and the components constituting the trapping frame were injection molded with synthetic resin to produce standard products at an affordable price, making it easy to attach and repair, as well as mass-produce, so that they can be mass-produced during the fishing season. Improved fishing gear can be used, which increases the catch and provides the effect of helping the income of fishermen.
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