Buoyancy in a bony fish is maintained with the help of
Streamlined body
Paired fins
Swim bladder
All of these
As we have learned
Class Osteichthyes (bony fishes) -
Includes both marine and fresh water fishes. Air bladder is present which regulate buoyancy. Mouth mostly terminal.
- wherein
Eg. Exocoetus, Hippocampus, Labec, Betta.