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Porcupinefish are a fish of the family Diodontidae (order Tetraodontiformes), which have the ability to blow themselves up by swallowing water or air when threatened. They are covered by long spines |
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Porcupinefish are fish of the family Diodontidae (order Tetraodontiformes). http://www.wikipedia.com/images/uploads/porcupinefish-thumbnail.jpg Public domain picture from U.S. National Oceanic and Atmospheric Administration [full size image] They have the ability to blow themselves up by swallowing water or air when threatened. They are covered by long spines |
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http://www.wikipedia.com/images/uploads/porcupinefish1.jpg Public domain picture from U.S. National Oceanic and Atmospheric Administration |
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