Which physiological challenge arises when a deep-sea fish with a gas-filled swim bladder rapidly ascends?

💡 Explanation

When a deep-sea fish ascends rapidly, the decreasing pressure causes the gas in its swim bladder to expand according to Boyle's Law, potentially rupturing blood vessels. Therefore arterial barotrauma results, rather than hypothermia, osmotic shock, or muscle fatigue which depend on different environmental gradients.

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