Question

how do air bladders help fish ​

Answer 1

Answer:

enabling the fish to maintain its depth without floating upward Or sinking

Answer 2

Answer:

Air bladder helps fish to maintain depth without floating upward and sinking.

Explanation:

Air bladders are also known as swim bladders. They are buoyancy organs seen in most of the bony fishes. Which is an expandable sac-like structure. To reduce its overall density fishes collect oxygen in the bladder via gills, which helps to increase the volume. Hence the air bladder helps fish to maintain depth without floating upward and sinking.