Which risk increases when gas bladder in a fish expands rapidly at shallow depths?

💡 Explanation

When a fish ascends rapidly, the gas bladder undergoes expansion following Boyle’s Law, increasing internal volume as pressure decreases. This inflation can compress internal organs reducing skeletal muscle efficiency for propulsion. Therefore, organ compression results, not buoyancy loss, position adjustment impairment or hypoxia which involve distinct mechanisms under different causes.

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