Prawn and fish aquaculture use 30% of global fishmeal…

but 70% is fished in proven sustainable fisheries (Peru and Chile) and 50% of the fishmeal goes to the pet food industry…

https://www.newyorker.com/magazine/2021/03/08/fish-farming-is-feeding-the-globe-whats-the-cost-for-locals

…of course insects have a significant impact compared to fish on eFIFO prawn feed precisely because they are not fish…

https://thefishsite.com/articles/what-are-the-environmental-impacts-of-using-insect-ingredients-in-aquaculture