The aquatic animal escape device 1 for a stationary net is provided with a net body 2 provided with a slit portion 3 having an end portion 3a and an end portion 3b, and floating bodies 51 and 52 provided in the net body 2, and the floating body 51 is provided in the floating body attaching area U1, and the floating body 52 is provided in the floating body attaching area U2.定置網用の水生動物脱出装置1であって、端部3aおよび端部3bを有するスリット部3が設けられた網体2と、網体2に設けられた浮体51,52と、を備え、浮体51は浮体取付領域U1に設けられ、浮体52は浮体取付領域U2に設けられている。