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flag Scientists found intricate fish nests under Antarctica’s ice, revealing a hidden, complex ecosystem.

flag A 2019 expedition searching for Sir Ernest Shackleton’s lost ship, the Endurance, instead discovered thousands of fish nests beneath Antarctica’s ice shelf, revealing complex geometric patterns formed by yellow notie rockcod. flag The nests, arranged in clusters, crescents, and lines, suggest coordinated behavior, possibly a "selfish herd" defense strategy. flag The find, made possible by the calving of the A68 iceberg, highlights a previously unknown, biodiverse ecosystem in the Weddell Sea, now designated a Vulnerable Marine Ecosystem. flag Researchers stress the importance of protecting this hidden habitat amid climate change and human activity.

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