Biology

Scientists baffled by strange sea creatures near Alaska

Strange sea creatures that resemble large pink thimbles are showing up on the coast of southeast Alaska for the first time after making their way north along the West Coast for the last few years.

Scientists say the creatures are pyrosomes, which are tropical, filter-feeding spineless creatures usually found along the equator. They appear to be one long pink tube, but in reality, they're thousands of multi-celled creatures mushed together, generally about 6 inches (15 centimeters) long.

Pyrosomes have been working their way north, Ric Brodeur, a researcher with the U.S. National Oceanic and Atmospheric Administration, told the Associated Press on Monday.

Brodeur,...

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