A last half dozen gas bladders erupted at once.
The bombs make the fish's gas bladder explode and stun them.
An overlooked spark had tangled with a slow leak from a gas bladder.
One of those could reach another gas bladder any minute.
No known animals have both a gas bladder and lungs.
This allows the gas bladder to be filled or emptied via the mouth.
In contrast, fishes without any connection to their gas bladder are called Physoclisti.
Some physostome fish, though not all, can use their gas bladders a lung.
It feeds on the smaller tentacles under the gas bladder.
Some have a physoclistous gas bladder, while others have none.