The bizarre Antarctic feather star was once believed to be one species. Now, scientists have figured out that it's actually eight.
Researchers have discovered an otherworldly, 20-tentacled creature lurking in the freezing depths of the Antarctic Ocean.
Resembling an alien or a Lovecraftian horror, the Antarctic strawberry feather star is one of four new species of crinoids that scientists found at the bottom of the ocean. Crinoids are a group of eerie, perfectly symmetrical creatures that include sea lilies and sea feathers. Sea lilies attach themselves to the ocean floor with a stalk, while sea feathers abandon their stalk upon reaching maturity to waft themselves through the sea with mesmerizing, synchronized swishes of their arms.
To discover the new animals, whose colors range from purple to dark red, researchers trawled a net across patches of the Southern Ocean to collect samples of the creatures. After performing a DNA analysis, the researchers classified the creatures into four new species. —World's deepest-dwelling squid spotted 20,000 feet under the seaIntrigued by their findings, the researchers then took a closer look at sea feather specimens that were captured between 2008 and 2017 and were presumed to be P.
The Antarctic strawberry feather star gets its name from the strawberry-like nub on its body, from which stringlike appendages called cirri protrude anchor the animal to the seafloor. When feather stars take flight, they spread their arms wide and paddle with rhythmic pulses, dancing through the water and capturing plankton with thousands of tiny, mucousy filaments along their arms.
Crinoids like these dominated the young seas of our planet, but they were largely wiped out — along with 95% of life on Earth — during the Permian mass extinction roughly 251 million years ago.
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