Spot-fin Porcupinefish at Racha Yai
Previous Next Underwater Pictures IndexThe spines on porcupinefish normally lie flat against its body and then point outwards for protection when the fish "inflates" under great duress. This particular spot-fin porcupinefish (Diodon hystrix) has backed out of a tight hole, breaking some of it's spines by rubbing them the wrong way.