Why Don’t Antarctic Fish Freeze to Death?

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Reactions Science Videos | December 04, 2018

Shoutout: More PBS Digital Studios Goodness here! Fish living in the oceans around Antarctica seem like they should freeze to death. But notothenioids have it all figured out, thanks to the antifreeze proteins in their blood!

Sources:

Molecular ecophysiology of Antarctic notothenioid fishes

From ice-binding proteins to bio-inspired antifreeze materials

Antifreeze protein-induced superheating of ice inside Antarctic notothenioid fishes inhibits melting during summer warming

[21] Antifreeze glycopeptides and peptides: Interactions with ice and water

Antarctic notothenioid fish: what are the future consequences of ‘losses’ and ‘gains’ acquired during long-term evolution at cold and stable temperatures?

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Produced by the American Chemical Society.

 

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