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This species of fish is actually close to being considered extinct, which only drives the price for this funky looking fish’s organ. The Chinese believe that this guy’s bladder is rich in collagen, helping smooth human skin and used in skin treatments all over the world. It also has been used to help joint pains, as well as several bone applications and treatments. Oddly enough, this fish has another use, quite another use indeed. In Mexico, they use these fish bladders to transport large amounts of cocaine.