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Antarctic Octopus Is a True Blue Blood : DNews — news.discovery.com

An Antarctic octopus gives literal meaning to the phrase “blue blood,” as a new study finds the cephalopod has blue pigments in its blood that allow it to survive sub-zero temperatures and possibly higher temps associated with climate change too. The findings, published in the journal Frontiers in Zoology, help to explain why the Antarctic octopus -- Pareledone charcoti  -- is faring well now, while other animals in its habitat are not.

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