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Over 60% of Ningaloo Reef Corals Decline After Heatwave

11/20/2025

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Summary

Story summary

A recent survey shows more than 60% of corals at Ningaloo Reef in Western Australia have died following an unprecedented marine heatwave.
Curtin University researchers surveyed 1,600 corals in March.
By late October, only 600 corals remained.
Marine scientist Zoe Richards says the coral deaths signal a critical moment for the reef's recovery.
Scientists warn of potential long-term ecological decline if ocean temperatures stay high.

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Story summary

A recent survey shows more than 60% of corals at Ningaloo Reef in Western Australia have died following an unprecedented marine heatwave.
Curtin University researchers surveyed 1,600 corals in March.
By late October, only 600 corals remained.
Marine scientist Zoe Richards says the coral deaths signal a critical moment for the reef's recovery.
Scientists warn of potential long-term ecological decline if ocean temperatures stay high.