Type matchups and best counters for Cloyster in Pokémon Polished Crystal. Learn which Pokémon can effectively counter Cloyster and what types to use against it.
Types that deal increased damage to Cloyster. Use these types to counter it effectively.
Types that Cloyster resists or is immune to. Avoid using these types against it.
Pokémon that have type advantages against Cloyster, either offensively or defensively.