Coral reefs are retreating from equatorial waters and establishing new reefs in more temperate regions, according to new research in the journal Marine Ecology Progress Series. The researchers found that the number of young corals on tropical reefs has declined by 85 percent—and doubled on subtropical reefs—during the last four decades.
source https://www.lifetechnology.com/blogs/life-technology-news-blog/coral-reefs-shifting-away-from-equator