The extreme heat has devastated corals.This is a truly heartbreaking read:

“The coral didn’t even have a chance to bleach, it just died. It just felt like, ‘Oh my God, we’re in the apocalypse.’ What’s happening?”

Archive link: https://web.archive.org/web/20230731225349/https://www.nytimes.com/2023/07/31/climate/coral-reefs-heat-florida-ocean-temperatures.html