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2024/02/26

Chile: More than 100 new species found in underwater mountains


A squat lobster documented in coral at a depth of 669 meters on Seamount JF2.

Some 3000 meters underwater off the coast of Chile, striking purple, green, and orange sponges burst from the rocks. Sea urchins with maroon spines gather in colonies, while poppy-colored crustaceans pick their way among them. Transparent, ghostly creatures undulate in the dark. A team of researchers captured these and dozens of other never-before-seen species—more than 100 in total—with a camera mounted to a deep-sea robot traversing largely explored underwater mountains, known as seamounts, with steep cliffs that rise from the sea floor.

A spiraling coral documented at 1419 meters deep on Seamount JF1

Researchers from the Schmidt Ocean Institute recorded footage up to 4500 meters deep near the Nazca and Salas y Gómez ridges, which together stretch more than 3000 kilometers. Along with the variety of new organisms—including sponges, amphipods, urchins, crustaceans, and corals—the team mapped four seamounts in Chilean waters that were previously unknown to scientists, they report today in a press release. The tallest of these measured 3530 meters from sea floor to peak and was unofficially named Solito by the researchers.

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