The swim bladder helps the fish float right and balance. If a fish has something wrong with its swim bladder, it will have trouble swimming down and will soon get stuck upside-down and die.
Bony fishes have a gas-filled organ called the swim bladder. This organ helps them to control their buoyancy and maintain their position in the water column by adjusting the amount of gas it contains.
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The gas-filled organ of bony fishes is called the swim bladder. It helps the fish maintain buoyancy in the water, allowing them to rise or sink without expending energy. The swim bladder can also play a role in respiration and sound production in some species.
bone
There are bony fishes and cartilaginous fishes.
Bony fishes use the swim bladder to help control and maintain their buoyancy. These are internally gas-filled organs which helps contribute the ability to stay at current water depth without wasting energy in swimming.
The ray-finned fishes are characterized by having fins supported by bony spines or rays. They also have a skeleton made of bone, scales covering their bodies, and a swim bladder for buoyancy control. Ray-finned fishes are the most diverse group of fishes, with over 30,000 species.
it has denticles
Bony fishes have two sets of paired limbs.
A bony skeleton. Snappers are a member of the taxonomic group Osteichthyes (bony fish), as opposed to cartilaginous fishes (like sharks) or boneless fishes (like hagfish).
No, they are bony fishes.
Bony Fishes