Evolution Calculator for Golduck #054Pokédex for GolduckEvolution Calculator #056 Golduck is evolved from PsyduckThe Maximum CP for the Pokémon Golduck is 2270.Golduck is the maximum evolved of the Pokémon from Psyduck #055 / GolduckRequirement- Max CP2270Multiplier - Please enable JavaScript to view the comments powered by Disqus.