Auxiliary device for live fish anesthesia physiology

The invention relates to the technical field of aquatic product anesthesia, in particular to a live fish anesthesia physiology auxiliary device which comprises a water tank, an anesthetic gas distribution disc is arranged at the bottom of the water tank, a water inlet pipe is arranged on one side of the water tank, and one end of the water inlet pipe is connected with a flushing pipe; the filter screen is arranged in the water tank, a fish outlet is formed in the lower end of the side wall of one side of the filter screen, and a baffle is slidably arranged at the position, corresponding to the fish outlet, in the side wall of the filter screen; the cleaning assembly is arranged in the filter screen in a sliding manner; the device has the beneficial effects that through cooperation of a limiting rod and a clamping groove, a filter screen is placed in the water tank, then live fishes to be anesthetized are placed in the filter screen, the live fishes are limited through the filter screen, then anesthetic is inj