Bar-Ilan University researcher Maoz Fine has published that Eilat’s coral reef is genetically resistant to rising sea temperatures. Hardy corals settled in Eilat 18,000 years ago at the end of the last ice age. Those hardy genes are being cross-bred to save bleached reefs in Hawaii and Australia.
https://www.timesofisrael.com/northern-red-sea-coral-reefs-may-survive-a-hot-grim-future/