Ultra-sun: Although known for their splendid tail fins, Goldeen apparently compete among themselves to see whose horn is thickest and sharpest.Moon: Spellbound by the length of its horn and the beauty of its fins, many strange Trainers raise Goldeen and nothing but Goldeen.Alpha-sapphire: Goldeen loves swimming wild and free in rivers and ponds. If one of these Pokémon is placed in an aquarium, it will shatter even the thickest glass with one ram of its horn and make its escape.