Warming temperatures threaten hundreds of fish species the world relies on, study finds - CNN

As the planet's oceans and rivers warm, increased heat could pose a grave threat to the fish populations the world depends on by the end of this century. That's the alarming conclusion of a new study published Thursday in the journal Science.
https://www.cnn.com/2020/07/02/weather/fish-vulnerable-ocean-warming-climate-change-scn/index.html