What is the role of swim bladder in fishes.

What is the role of swim bladder in the fish?

What is the role of air bladder in fishes ?

Explain the process of Natural selection as proposed by Darwin with the the help of a suitable example . What are the roles of swim bladder in the aquatic of Rohu fish ?

What is use of swim bladder of bony fishes ?

The role of swim bladder of rohu fish-

What is the importance of air bladder in fishes ?

Explain the role of swim bladder of rohu fish in aquatic adaptation.