Ruby: CORPHISH were originally foreign POKéMON that were imported as pets. They eventually turned up in the wild. This POKéMON is very hardy and has greatly increased its population.Sapphire: CORPHISH catches prey with its sharp claws. It has no likes or dislikes when it comes to food - it will eat anything. This POKéMON has no trouble living in filthy water.Emerald: Once it grips prey with its large pincers, it will never let go, no matter what. It is a hardy POKéMON that can thrive in any environment.