Question

Calculate the pressure exerted by the water on a fish 5m below

Answer 1

Pressure = density (water) * depth Pressure = 62.4 lb/ft3 * 2.5 ft = 156 lb/ft2 or 1.083 psi​ 

Reference https://www.physicsforums.com/threads/pressure-exerted-by-water-in-a-pond.135576/