I saw a post about an octopus swimming in really shallow water, but wouldn’t there be less oxygen there? Is it dependent on where there are sea plants?
In: Biology
There isn’t some fundamental barrier between air and water, oxygen can diffuse from the air into the water (and vice versa). Algae which produces oxygen stays near the surface as the sun exposure is necessary, but ocean water tends to be stirred around by wave action such that oxygen would be mixed in regardless.
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