Sea urchin pandemic spreads beyond Red Sea, endangering coral reefs

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Sea urchin pandemic spreads beyond Red Sea, endangering coral reefs
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A sea-borne pandemic that wiped out sea urchin populations in the Red Sea has spread and is taking out the species in parts of the Indian Ocean and could go global, scientists in Israel say.

Dr. Omri Bronstein holds a sea urchin specimen, found in the Mediterranean, in Tel Aviv on May 24, 2023.

It seems to be heading east towards the tropical waters of the Coral Triangle that extends off southeast Asia and Australia's Great Barrier Reef.Bronstein described the affected sea urchin species as the "lawn mowers" of coral reefs, since they remove algae that otherwise blocks sunlight, allowing the coral to thrive.

The Israeli team is now co-operating with scientists across the region to map the pandemic and gather more details. This includes collecting continuous samples of environmental DNA from the different bodies of water that show how sea life interacts with the surroundings. Fact check: Trump falsely claims Democratic states are passing laws allowing people to execute babies after birth

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