A capture cage with detector

The utility model discloses a capture cage with a detector, which comprises a mesh cage coated with meshes and provided with a plurality of horn-shaped fish inlet holes, and is characterized by comprising a fish storage cage, and a fish outlet at the tail end of the mesh cage is communicated with the fish storage cage through a plurality of fish inlets with sliding doors arranged on the side wallof the fish storage cage. The fish outlet partially extends into the fish storage box cage; an infrared sensor is arranged on the outer surface of the side wall of the fish storage box cage, and the transmitting end and the receiving end of the infrared sensor right face the fish inlet. The fish storage box cage is further provided with a controller used for receiving detection signals of the infrared sensor. The controller also comprises a micro sonar, a communication device and a timer which are communicated with the controller; the capture cage disclosed by the utility model can timely inform managers of recovering