Castelia Sewers
100%- Method
- Surfing
- Level Range
- Lv. 5-15
- Conditions
- Any

Sludge Pokémon
Appears in filthy areas. Thrives by sucking up polluted sludge that is pumped out of factories.
Core species facts, alternate varieties, and Pokédex placements at a glance.
| National | #88 |
| Blueberry | #68 |
| Hoenn | #106 |
| Kanto | #88 |
| Letsgo Kanto | #88 |
| Original Alola | #50 |
| Original Johto | #116 |
| Original Melemele | #50 |
| Original Ulaula | #28 |
| Paldea | #194 |
| Updated Alola | #57 |
| Updated Hoenn | #111 |
| Updated Johto | #117 |
| Updated Melemele | #57 |
| Updated Ulaula | #28 |
| Updated Unova | #64 |
Battle-ready training facts pulled from EV yield, growth curve, and wild held item data.
x³Versions: Ruby, Sapphire, Emerald, Diamond
Versions: Black 2, White 2, X, Y

Understanding damage taken from different types is crucial for battles. Plan your team accordingly!
Tip: Build your team with Pokémon that cover each other's weaknesses!
Damage multipliers from all 18 attacking types
Grimer's Poison typing gives it 2 weaknesses but strong offensive coverage against grass, fairy types
Grimer's 325 base stat total marks it as a balanced Pokémon with a flexible stat spread. HP (80) carries most matchups, but a low Speed stat of 25 means careful positioning matters.
Its Poison typing leaves Grimer with 2 weaknesses against 5 resistances. Notably, it carries no 4× weaknesses, which makes it harder to punish. On offense, its STAB moves threaten 2 types for super-effective damage.
With a catch rate of 190, Grimer is comparatively easy to catch in the wild. It levels on the Medium experience curve. Defeating it grants HP +1 EVs, which is worth remembering when EV-training your own team.
0.9 m
30.0 kg
Has a 10% chance of making target Pokémon flinch with each hit.
Prevents a held item from being removed by other Pokémon.
Has a 30% chance of poisoning target Pokémon upon contact.
5,100
Hatch Counter: 20
190
Higher values mean easier to catch
70
Initial friendship level
Medium Fast
Experience points needed to level up
Grimer is a Poison type Pokémon.
Grimer takes 2× damage from Ground, Psychic type moves.
Grimer evolves into Muk at level 38. Full evolution line: Grimer → Muk.
Grimer has a base stat total of 325: HP 80, Attack 80, Defense 50, Sp. Atk 40, Sp. Def 50, Speed 25. Its highest stat is HP (80).
| English | Grimer |
| Japanese | ベトベター |
| Japanese (Kanji) | ベトベター |
| Roomaji | Betbeter |
| Korean | 질퍽이 |
| French | Tadmorv |
| German | Sleima |
| Spanish | Grimer |
| Italian | Grimer |
| Chinese (Traditional) | 臭泥 |
| Chinese (Simplified) | 臭泥 |




Where this Pokémon appears in supported games, including method, level range, and encounter conditions.
High-signal moves surfaced from learnsets and move metadata, grouped by battle purpose.
Reliable same-type attacks that match this Pokémon's typing.
Learned at Lv. 46
X Y
Can only be used after the user has eaten a berry.
Learned at Lv. 49
Black White
Has a chance to poison the target.
Learned at Lv. 44
Black White
Has a chance to poison the target.
Off-type attacks that expand what this Pokémon can threaten.
TM/TR Moves
Yellow
Has a chance to paralyze the target.
Egg Moves
X Y
Has a chance to paralyze the target.
Support, disruption, and setup tools worth noticing.
Egg Moves
X Y
Has a chance to paralyze the target.
Learned at Lv. 37
Yellow
Has a chance to poison the target.
TM/TR Moves
Xd
Target falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user.
TM/TR Moves
Yellow
Has a chance to paralyze the target.
Grimer can have the Stench, Sticky Hold abilities. Its hidden ability is Poison Touch.