--- title: "Water/Poison Weakness: Resistances, Immunities & Pokémon | pokee.si" url: "https://pokee.si/types/water-poison" description: "Water/Poison Pokémon are weak to Electric, Ground and Psychic, which hit them for 2× damage. On pokee.si." last_updated: "2026-10-20" publisher: "pokee.si: a Pokédex for families (unofficial fan site)" --- Dual type # Water/Poison weakness **Water/Poison Pokémon are weak to Electric, Ground and Psychic, which hit them for 2× damage.** They resist 8 types and take normal damage from 7 types. ## Water/Poison damage taken | Damage | Attacking types | | --- | --- | | 2× | [Electric](https://pokee.si/types/electric), [Ground](https://pokee.si/types/ground), [Psychic](https://pokee.si/types/psychic) | | 1× | [Normal](https://pokee.si/types/normal), [Grass](https://pokee.si/types/grass), [Flying](https://pokee.si/types/flying), [Rock](https://pokee.si/types/rock), [Ghost](https://pokee.si/types/ghost), [Dragon](https://pokee.si/types/dragon), [Dark](https://pokee.si/types/dark) | | ½× | [Fire](https://pokee.si/types/fire), [Water](https://pokee.si/types/water), [Ice](https://pokee.si/types/ice), [Fighting](https://pokee.si/types/fighting), [Poison](https://pokee.si/types/poison), [Bug](https://pokee.si/types/bug), [Steel](https://pokee.si/types/steel), [Fairy](https://pokee.si/types/fairy) | ## Best types to use against Water/Poison To beat a Water/Poison Pokémon, use Electric, Ground and Psychic moves: they deal 2× damage. Do not waste turns on Fire (½×), Water (½×), Ice (½×), Fighting (½×) and Poison (½×). Water/Poison and Poison/Water are the same typing: in battle the order of a Pokémon's two types makes no difference, so a Poison/Water search lands on this page too. Going the other way, Water and Poison moves between them hit Fire, Grass, Ground, Rock and Fairy super effectively. 6 Pokémon have the Water/Poison typing, first appearing in Generation 1 and spanning 4 generations to Generation 7. The highest base stat total is Tentacruel with 515; the average across the group is 402. ## 6 Water/Poison Pokémon - [Tentacool](https://pokee.si/pokemon/tentacool) - [Tentacruel](https://pokee.si/pokemon/tentacruel) - [Qwilfish](https://pokee.si/pokemon/qwilfish) - [Skrelp](https://pokee.si/pokemon/skrelp) - [Mareanie](https://pokee.si/pokemon/mareanie) - [Toxapex](https://pokee.si/pokemon/toxapex) ## Quick answers ### What is Water/Poison weak to? Water/Poison Pokémon are weak to Electric, Ground and Psychic, which hit them for 2× damage. ### What is Water/Poison immune to? Water/Poison Pokémon have no type immunities. ### What resists Water/Poison? Water/Poison Pokémon resist Fire (½×), Water (½×), Ice (½×), Fighting (½×), Poison (½×), Bug (½×), Steel (½×) and Fairy (½×). ### What is the best type against Water/Poison? To beat a Water/Poison Pokémon, use Electric, Ground and Psychic moves: they deal 2× damage. Do not waste turns on Fire (½×), Water (½×), Ice (½×), Fighting (½×) and Poison (½×). ## Related type pages Single types: [Water](https://pokee.si/types/water), [Poison](https://pokee.si/types/poison). [All dual-type combinations](https://pokee.si/types/dual). [Type chart and calculator](https://pokee.si/types). ### More Water combinations - [Normal/Water](https://pokee.si/types/normal-water) - [Fire/Water](https://pokee.si/types/fire-water) - [Water/Electric](https://pokee.si/types/water-electric) - [Water/Grass](https://pokee.si/types/water-grass) - [Water/Ice](https://pokee.si/types/water-ice) - [Water/Fighting](https://pokee.si/types/water-fighting) - [Water/Ground](https://pokee.si/types/water-ground) - [Water/Flying](https://pokee.si/types/water-flying) - [Water/Psychic](https://pokee.si/types/water-psychic) - [Water/Bug](https://pokee.si/types/water-bug) - [Water/Rock](https://pokee.si/types/water-rock) - [Water/Ghost](https://pokee.si/types/water-ghost) - [Water/Dragon](https://pokee.si/types/water-dragon) - [Water/Dark](https://pokee.si/types/water-dark) - [Water/Steel](https://pokee.si/types/water-steel) - [Water/Fairy](https://pokee.si/types/water-fairy) ### More Poison combinations - [Normal/Poison](https://pokee.si/types/normal-poison) - [Fire/Poison](https://pokee.si/types/fire-poison) - [Electric/Poison](https://pokee.si/types/electric-poison) - [Grass/Poison](https://pokee.si/types/grass-poison) - [Fighting/Poison](https://pokee.si/types/fighting-poison) - [Poison/Ground](https://pokee.si/types/poison-ground) - [Poison/Flying](https://pokee.si/types/poison-flying) - [Poison/Psychic](https://pokee.si/types/poison-psychic) - [Poison/Bug](https://pokee.si/types/poison-bug) - [Poison/Rock](https://pokee.si/types/poison-rock) - [Poison/Ghost](https://pokee.si/types/poison-ghost) - [Poison/Dragon](https://pokee.si/types/poison-dragon) - [Poison/Dark](https://pokee.si/types/poison-dark) - [Poison/Steel](https://pokee.si/types/poison-steel) - [Poison/Fairy](https://pokee.si/types/poison-fairy) --- Source: https://pokee.si/types/water-poison (HTML page). pokee.si is an unofficial fan site and is not affiliated with Nintendo, Creatures, GAME FREAK or The Pokémon Company. 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