You refer to science & fact as if it is a pseudo-science, in a (possible) opposition to fishing. Let me drop you the scientific research & facts from Universities & experts with experience in finding of the c orrelation between global climate temperature increase & the increase of shark populations along Atlantic shores during the rise of summer temps:

https://news.northeastern.edu/2022/07/21/shark-population-increasing/

https://sharkresearch.earth.miami.edu/research/projects/climate-change-and-sharks/