By rapidly swallowing water or air, puffers dramatically increase in size, making them difficult for predators to swallow. Some puffers also have spines that can cause even more harm to predators that attempt to eat them.
When a large fish come after puffer the inflates its body to increase size which behavior is shown by puffer?
When a large fish comes after the puffer, it inflates its body to increase its size. This behavior is known as defensive inflation or puffing up.