Evolution Calculator for Cloyster #090Pokédex for CloysterEvolution Calculator #092 Cloyster is evolved from ShellderThe Maximum CP for the Pokémon Cloyster is 2475.Cloyster is the maximum evolved of the Pokémon from Shellder #091 / CloysterRequirement- Max CP2475Multiplier - Please enable JavaScript to view the comments powered by Disqus.