Nautilus

[adidas]

Originally Posted by prospero31

She said when they harvest these things, they bring them back up to the surface so fast that their air bladders are compromised. Very sad to see these wonderful animals that cannot dive below the surface of the water.

hmmm from what I read they don't use an airbladder..

"To control its buoyancy, a nautilus pumps fluids in and out its shell chambers, which are connected by tubes called “siphuncles.”"