Fish climbing behavior parameter acquisition experiment device and use method

The invention discloses a fish climbing behavior parameter acquisition experiment device and a use method, and relates to the field of biological experiments, the fish climbing behavior parameter acquisition experiment device comprises a frame, a light shield, a gradient adjusting support, a supporting plate, a top water tank, a bottom water tank, a speed-adjustable water pump, a soft connecting belt, a climbing ramp, a supporting plate, a climbing substrate, a flow velocity meter, an illumination light source, a light-adjustable lamp panel and a camera part, the slope adjusting support comprises a vertical support and a plurality of supporting assemblies sequentially arranged on the vertical support in the vertical direction, the supporting plate is used for being arranged on one supporting assembly, the top water tank is used for being placed on the supporting plate, and the upper end of the climbing ramp is connected with a water outlet of the top water tank through a soft connecting belt. The lower end of