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Reef Environmental Education Foundation (REEF)

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Grouper Moon: Counting the Last Great Nassau Grouper Gathering

Ocean Life

🇰🇾 Cayman Islands

Every winter full moon, nearly 10,000 endangered Nassau grouper converge on one spot off Little Cayman to spawn, and in 2025 they did not show up as expected for the first time since scientists started counting.

10kfishNassau grouper converging at the Little Cayman spawning site
23publicationsScientific publications from the project
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