My grandfather lived in a time when commercial hunting was outlawed. I worry that I live in a time when commercial fishing is not sufficiently regulated so tha

My grandfather lived in a time when commercial hunting was outlawed. I worry that I live in a time when commercial fishing is not sufficiently regulated so that rather than being outlawed, it will simply become infeasible, with the attendant knock-on affects of countries which depend on the oceans for a significant portion of their protein. There are now a greater tonnage of ships in the ocean than bony fish: https://what-if.xkcd.com/33/ https://what-if.xkcd.com/33/ What will be the next marker to be dropped? Makes one wish that we could manage something like to Hal Clement's "Raindrop": https://www.goodreads.com/book/show/939760.Music_of_Many_Spheres https://www.goodreads.com/book/show/939760.Music_of_Many_Sph...