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Why do sharks not have swim bladder
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Why do sharks not have swim bladder
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Aug 10, 2015
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why do sharks not have swim bladder
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Pflz
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Unlike bony fish, sharks do not have gas-filled swim bladders for buoyancy. Instead, sharks rely on a large liver filled with oil that contains squalene, and their cartilage, which is about half the normal density of bone.
Pathak Tejpal
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Aug 15, 2015
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