Question

what is the role of
swim bladder in fish​

Answer 1

Answer:

what is this ...........................

Answer 2

Explanation:

Swim bladder, also called air bladder, buoyancy organ possessed by most bony fish. The swim bladder is located in the body cavity and is derived from an outpocketing of the digestive tube. It contains gas (usually oxygen) and functions as a hydrostatic, or ballast, organ, enabling the fish to maintain its depth without floating upward or sinking.

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