Goldeen was one of Misty's original Pokémon, however due to the fact that Goldeen is a fish Pokémon, it was seldom seen due to its inability to be on land. However whenever Misty had battles in a Water field such as at the Coastline Gym or against Molly, Goldeen is a tough Pokémon that can hold its own and thus has stayed on Misty's team.