DON'T GO IN THE WATER
'It's no surprise that <a href="http://www.j-archive.com/media/2011-12-07_DJ_02.jpg" target="_blank">this</a> <a href="http://www.j-archive.com/media/2011-12-07_DJ_02a.jpg" target="_blank">fish</a>, a relative of the puffer, is named for a prickly rodent'
a porcupinefish