Fish food calling experiment device

Two supporting legs are fixedly arranged at the two ends of a supporting frame, clamping seats are arranged at the lower ends of the supporting legs and used for being clamped at the opening position of a fish tank, a plurality of adjusting blocks are arranged on the supporting frame and connected with the supporting frame in a sliding mode, hanging rods are arranged on the adjusting blocks, and the lower ends of the hanging rods are connected with a food calling bin. A plurality of slotted holes are formed in the food calling bin, a food receiving ring extending outwards is arranged at the bottom of the food calling bin, an outer ring of the food receiving ring is turned upwards, a pressing ring is arranged in the food calling bin, and food calling feed is pressed out of the food calling bin through the pressing ring. Through the experimental device, the food calling mechanism of the fish can be researched, so that the nutritional requirements and food calling requirements of the fish can be better understoo