Soft bodied fish like the snail fish can apparently live at depths deeper than 25,000 feet… yet somehow, despite modern engineering marvels, and the availability of the strongest materials available to man, we can barely create underwater vehicles that dive to the same depths — and even the ones that do, are far from safe. How do these submarines get crushed and these soft bodied fish survive?
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Take a can of soda and try and squeeze it, how does that go? Maybe a tad? Now pop the top and drink the soda and squeeze the can, how about now? Much different right?
Fish have one thing those submarines don’t – they are filled with water.
Water is pretty much not compressible as a thing on Earth, meaning you can’t really squeeze it into a smaller space with the kind of forces we experience. Air though, air can be squeezed (checks notes) a fucking ton.
Unfortunately for them, submarines are filled with air, that means they are really squuuueeeezeable for the water around them. But deep see fish are mostly water-goo, you can’t really squeeze down a deep sea fish more than just water-goo.
But do the opposite – take a deep sea fish up to our pressure – you get gross explosion of water-goo.
Turning [this](https://www.nationalgeographic.com/animals/fish/facts/blobfish) into [this](https://www.dispatch.com/story/business/information-technology/2013/09/14/all-abuzz-blobfish-hooks-ugliest/23542983007/)
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