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A comment on Why don’t fish freeze to death in icy water?.

Re:Why don’t fish freeze to death in icy water? by flexie on Thursday April 20, 2017 @04:39AM (#14154941)
Article says fish survive in sub zero environments such as below ice. But is the water below ice sub zero? I thougt it was at least zero as long as its liquid (at close to normal pressue). Is that the salt?
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Re:Why don’t fish freeze to death in icy water? by masklinn on Thursday April 20, 2017 @06:55AM (#14155586)
> Is that the salt?

Yes. Oceanic salt water freezes around -2C. (or possibly below as surface water freezes "pure", the salt content getting transferred to lower layers).

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