Question

List the functions of air bladder in fishes.

Answer 1

The functions of the air bladder in fishes:

1. Air Bladder is a sac-like outgrowth from the dorsal wall of the esophagus of bony fishes.
2. Ballast organ: It helps fish to maintain their depth by balancing buoyancy forces without sinking below or floating above. Enables it to maintain the proper level and balance in the water.
3. Gas exchange: It is a gas-filled organ that helps to exchange dissolved gases.
4. Resonating chamber: It serves as a resonating chamber to produce or receive sound.