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I'm sort of curious how they don't simply explode when you bring them to the surface.


I have caught quite a few red fish in Greenland. They ‘only’ live a hundred meters down, but sure they kinda explode when surface. Eyes pop out, and their swim bladder pops out of their mouth. If they get unhooked on the way up, they will also surface themselves.


I've only been sea fishing twice off the coast of NC on a boat, but I don't remember reeling in hundreds of meters of line...

How long does that take?


Water is largely incompressible decreasing in volume by 1.8% at the sea floor a 4km under the ocean, so returning to the surface doesn’t cause creatures to explode dramatically.. https://en.wikipedia.org/wiki/Properties_of_water#Compressib...

The problem is gasses both dissolved in tissues which causes cellular scale damage (Aka the bends) and internal pockets of air such as in swim bladders which can rupture.




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