A 2023 marine heat wave in the central Red Sea caused 100% of monitored sea anemones to bleach, followed by the death of 94-100% of clownfish and 66-94% of the anemones across three surveyed reefs.
Sunscreen bottles are frequently labeled as “reef-friendly” and “coral-safe.” These claims generally mean that the lotions replaced oxybenzone – a chemical that can harm corals – with something else.
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