Disabled fish can swim the right way up again after his owner makes him a LIFE JACKET to stop him sinking to the bottom of his tank. Goldfish Einstein suffers from swim bladder disease which affects buoyancy. Owner Leighton Naylor, 32, made him a life jacket out of recycled tubing. Swimming aid allows him to swim the right way up and even perform tricks!
Source: DailyMail

Really awesome!
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Quite interesting…
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