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