Blastoise: weaknesses, typing and evolution
Pokédex #9 Blastoise: modern default-form Water type weaknesses, capture-rate data and curated evolution links. This is a general series reference, not a confirmed entry in a specific game's Pokédex.
Reference facts
Capture-rate figures are internal game-data parameters and must not be read as percentages. Catch chances depend on each game's capture mechanics, conditions and modifiers. This reference does not model them.
Evolution family in this reference
Only evolution relationships confirmed by the curated species dataset are shown here. Evolution methods, levels, stones and other triggers are not supplied or guessed.
Blastoise type matchups
Against ordinary moves, Electric (2×), Grass (2×) deal super-effective type damage. Resisted types include Fire, Water, Ice, Steel. These multipliers apply only to the base typing and ignore abilities or special forms.
Super effective — Electric, Grass
Neutral — Normal, Fighting, Poison, Ground, Flying, Psychic, Bug, Rock, Ghost, Dragon, Dark, Fairy
Resisted — Fire, Water, Ice, Steel
Nearby Pokédex entries
Data sources and scope
Numbers come from the modern 18-type matchup chart. This reference does not infer particular game availability, encounter locations, base stats, move sets, abilities or the effect of special battle mechanics.
- The Pokémon Company — type basics
- Modern type chart (Gen VI onward)
- PokéAPI — curated species data (BSD-3-Clause)
Data assembled: 2026-10-26. Independent fan reference; trademarks belong to their respective owners. No official endorsement or Pokémon art is used.