Fishing device for river crabs on market early

According to the technical scheme, the fishing device is characterized in that a bait feeding box and a luminous lamp are arranged and used for solving the problem that the trapping and fishing effects of the river crabs are poor, and a limiting structure is arranged and used for solving the problem that the river crabs cannot be well placed at different positions of a culture pond for fishing operation; through a luminous lamp in the transparent box, the river crabs can get close to the interior of the cage body more easily by means of the phototaxis of the river crabs at night, and the river crabs can enter the cage body more quickly through a crab inlet by means of bait in the bait feeding box; through the elastic force of a limiting spring, a limiting block slides to the original position, an opening in the top end of a fixing ring is shielded, accidental separation of a connecting rope and the fixing ring is avoided, then the cage body can be conveniently placed at different positions in a culture pond f