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MauranKilom
on Oct 10, 2021
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Seal-mounted camera recovered after 3 years on oce...
...but how? They have to breathe? How long can they sustain on one lung volume of air if they can
sleep
underwater?
bbarnett
on Oct 10, 2021
[–]
You need much less air when sleeping, compared to being awake, and much less sitting still, than moving. Two reductions there.
If they can last even 10 minutes under, while moving, I'd think they can last hours while sleeping.
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