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How Antarctic octopus survives in the cold

How Antarctic octopus survives in the cold
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An Antarctic octopus that lives in ice-cold water uses a unique strategy to transport oxygen in its blood, revealed a research. The study suggests...

London: An Antarctic octopus that lives in ice-cold water uses a unique strategy to transport oxygen in its blood, revealed a research. The study suggests that the octopus's specialised blood pigment could help to make it more resilient to climate change than Antarctic fish and other species of octopus.While it can be hard to deliver oxygen to tissues in the cold due to lower oxygen diffusion and increased blood viscosity, ice-cold waters already contain large amounts of dissolved oxygen. In Antarctic fish, this reduces the need for active oxygen transport by blood pigments, but little is known about the adaptations employed by blue-blooded octopods to sustain oxygen supply in the cold.

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