The swim bladder is the organ that keeps the fish balanced and upright, is an internal gas-filled organ that contributes to the ability of a fish to control its buoyancy. It is also known as the gas bladder, fish maw or air bladder.
Actually it is called a balance - scales are in music and on fish.
They have organs called swim bladders, which balance the fish and keep them from floating.
For most fish, the fins help maintain balance while swimming.
a collection of fish is called a school of fish
the fish looses its body balance
It is to balance the fish in the water.
The balance between incoming and outgoing energy is called radiation balance.
balance its true
It is swimming, just like other fish do, it just uses its tail and swimming bladder as a sort of counter-balance, which allows it to swim upright, rather than horizontal, like most fish species.
That method is called account form of balance sheet and on the other hand there is another form of balance sheet which is called statement form.
A baby fish is called fry. A fish egg is called roe.
Newborn fish are called "fry".