Water and Poison types: weaknesses, resistances and Pokémon

Water and Poison Pokémon take double damage from Electric, Ground and Psychic moves and resist Fire, Water, Ice, Fighting, Poison, Bug, Steel and Fairy moves.

With 8 resistances and immunities against 3 weaknesses, it is a very solid defensive combination.

Water moves are super effective against Fire, Ground and Rock and not very effective against Water, Grass and Dragon. Poison moves are super effective against Grass and Fairy and not very effective against Poison, Ground, Rock and Ghost.

To beat these Pokémon, your best pick is Electric, Ground and Psychic moves. Avoid Fire, Water, Ice and Fighting moves, which deal little or no damage.

There are 6 Pokémon with this combination, such as Tentacool, Tentacruel, Qwilfish and Skrelp.