HomeScienceFlorida coral reefs declared functionally extinct after 2023 heatwave, shocking scientists worldwide

Florida coral reefs declared functionally extinct after 2023 heatwave, shocking scientists worldwide

A record 2023 heatwave has devastated Florida’s coral reefs. Elkhorn and staghorn corals are now functionally extinct, threatening marine ecosystems and coastal protection.

November 23, 2025 / 18:17 IST
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A record 2023 heatwave has devastated Florida’s coral reefs. (image: Canva)
A record 2023 heatwave has devastated Florida’s coral reefs. (image: Canva)

Florida’s iconic coral reef system has suffered a major collapse. Key reef-building species are now functionally extinct. The ecosystem has crossed a dangerous tipping point. Scientists warn the change may be irreversible. Communities face rising threats from storms.

Heatwave Devastates Coral Species

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A record marine heatwave struck in 2023. Water temperatures rose to extreme levels. Elkhorn and staghorn corals suffered near-total death. Bleaching turned into rapid destruction. Once-dominant species can no longer build reefs.

Loss Threatens Coastal Protection