Fish biomass bottomed at the end of the 90s, which resulted in a bunch of changes in how large-scale fishing happens around the world: https://www.pnas.org/doi/

Fish biomass bottomed at the end of the 90s, which resulted in a bunch of changes in how large-scale fishing happens around the world: https://www.pnas.org/doi/10.1073/pnas.1909726116 https://www.pnas.org/doi/10.1073/pnas.1909726116 This mostly fixed the problem but demand keeps on increasing along with changes to water temperature, so local collapses in specific populations are becoming a big problem again.