Corphish was captured while terrorizing Dewford Island and its inhabitants. However once caught Corphish managed to tame it's terrorizing attitude and become a vitally used member of Ash's team. However whenever one of Ash's Pokémon evolves or gets a bit more attention, Corphish does get the tendency to get a bit jealous. After its tenure with Ash through Hoenn and the Battle Frontier, Corphish was left at Oak's Lab. Corphish