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Barotrauma: The big bang theory. This shows how the gases will expand in a fish's swimbladder. This video demonstration is the equivalent of a fish captured at a depth of 10m and bought to the surface, a pressure change of approximately 1 atmosphere(100k

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Barotrauma: The big bang theory. This shows how the gases will expand in a fish's swimbladder. This video demonstration is the equivalent of a fish captured at a depth of 10m and bought to the surface, a pressure change of approximately 1 atmosphere(100kpa or 14.7 psi). If the expansion of the swim bladder is excessive it will result in a range of external symptoms and internal injuries. For more information on barotrauma check out our website. http://www.nt.gov.au/d/Fisheries/recreational/barotrauma.shtml