1:30 
Sprite
TL;DR. Muk is a pure poison-type Pokémon from Generation I. Base Stat Total: 500. Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.
Poison
Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.
Height1.2 m
Weight30.0 kg
AbilitiesStench, Sticky Hold
HiddenPoison Touch
Base stats
Stat spread.
Total of 500. Higher peaks mean specialized roles, flat spreads favor versatility.
HP 105
Attack 105
Defense 75
Sp. Attack 65
Sp. Defense 100
Speed 50
Total500
500 base stat total, the 278th-highest of all 1025 Pokémon species and 19th among Poison-types.
105 base HP, Muk's strongest stat, ranking 5th of 83 Poison-types.
Rankings computed across all 1025 base-species Pokémon (Mega and Gigantamax forms excluded). Source: National Pokédex base stats.
Daily Pokémon · Video
Muk on Daily Pokémon
Muk was featured once as the Pokémon of the day. Tap a cover to play the short.
1:30 Pokémon GO
Muk in Pokémon GO.
Pokémon GO uses its own hand-tuned base stats, distinct from the main-series spread above. At a perfect 15/15/15, Muk reaches 2,757 CP at level 40 and 3,154 CP as a best buddy.
GO Attack190
GO Defense172
GO Stamina233
Max CP (L40)2,757
Max CP (L50)3,117
Best buddy (L51)3,154
Raid catch CP 1,501–1,575 (L20). Weather boosted 1,876–1,969 (L25).
Run the numbers: CP & HP calculator · PvP IV optimizer · Catch CP calculator
Shiny release
The first Shiny in the Grimer family appeared on September 13, 2018.
- Grimer
- Shadow
- Muk by encounter
The first Shiny in the Alolan Grimer family appeared on June 28, 2019.
- Alolan Grimer
- Shadow
- Alolan Muk by encounter
Recent raid runs
Last in raids: Apr 16 to Apr 22, 2025, 3-star (Alolan Form).
| Dates | Raid | Event |
|---|---|---|
| Apr 16 to Apr 22, 2025 | 3-starAlolan Form | Pokémon Horizons: The Series Celebration Event |
| Jan 20 to Jan 24, 2025 | 3-star | Regular rotation |
| Apr 17 to May 2, 2023 | 3-star | Regular rotation |
| Nov 19 to Nov 26, 2019 | 2-star | Supereffective Week |
| Nov 7 to Nov 14, 2019 | 2-star | Team GO Rocket Leader Disruption |
| Jul 25 to Jul 31, 2019 | 2-star | Team GO Rocket Disruption |
Competitive
Muk in competitive play.
Muk is a Generation 9 PU-tier pick in Smogon singles. In Pokémon GO it ranks #439 in the Great League.
PU
ToxTect
Toxic / Protect / Knock Off / Drain Punch
Pokémon GO Battle League
Great League #439 77.6 score
Ultra League #305 79.1 score
Master League #307 52.3 score
Build around it: GO PvP IV optimizer · Team builder · Ask Dia
Sets and GO ranks last checked 2026-10-20.
Quick answers
Common questions about Muk.
Direct, sourced answers to the most-asked questions about Muk, each computed straight from its Pokédex data.
What type is Muk?
Muk is a pure Poison-type Pokémon. It has a single typing, which means a simpler matchup chart but also fewer resistances.
What is Muk weak to?
Muk takes 2× damage from Ground, Psychic. It has no 4× weaknesses.
What is Muk resistant to?
Muk resists Grass, Fighting, Poison, Bug, Fairy. It has no full immunities.
How does Muk evolve?
Muk evolves from Grimer (Level 38). Muk is the final form of its evolution line.
What generation is Muk from?
Muk was introduced in Generation I (the Kanto region). Its Pokédex number is #0089.
What are Muk's base stats?
Muk has HP 105, Attack 105, Defense 75, Special Attack 65, Special Defense 100, and Speed 50. Total base stat total: 500.
What are Muk's abilities?
Muk can have the abilities Stench, Sticky Hold, plus the Hidden Ability Poison Touch.
Is Muk legendary or mythical?
No. Muk is a regular Pokémon, not classified as Legendary or Mythical.
What is Muk's best stat?
Muk's highest base stat is HP at 105, which ranks 5th of 83 Poison-type Pokémon.
Is Muk good?
Muk has a base stat total of 500, the 278th-highest of all 1025 Pokémon species and 19th among Poison-types. That is a strong, fully-evolved stat spread.
Alternate forms
This Pokémon has forms.
Sprites · Sound
Through the generations.
Muk as drawn across two decades of Pokémon games, plus the modern Pokémon HOME render. Hit the cry button to hear it.
Type matchups
In battle.
Damage multipliers when Muk is hit by each attacking type. 4× is two stacked weaknesses, ¼× is two stacked resistances.
2× Weak to
Ground Psychic
½× Resists
Grass Fighting Poison Bug Fairy
Comparison
Muk vs. the average Poison-type.
Each base stat measured against the mean across all 83 Poison-type Pokémon.
| Stat | Muk | Poison avg | Difference |
|---|---|---|---|
| HP | 105 | 66 | +39 |
| Attack | 105 | 72 | +33 |
| Defense | 75 | 66 | +9 |
| Special Attack | 65 | 71 | -6 |
| Special Defense | 100 | 69 | +31 |
| Speed | 50 | 68 | -18 |
| Total | 500 | 412 | +88 |
Game appearances
Muk appears in 35 games.
Every mainline release where Muk is obtainable, has a dex entry, or is transferable. Grouped by generation.
Gen I
- 1998 Blue
- 1998 Red
- 1999 Yellow
Gen II
- 2000 Gold
- 2000 Silver
- 2001 Crystal
Gen III
- 2003 Ruby
- 2003 Sapphire
- 2004 FireRed
- 2004 LeafGreen
- 2005 Emerald
Gen IV
- 2007 Diamond
- 2007 Pearl
- 2009 Platinum
- 2010 HeartGold
- 2010 SoulSilver
Gen V
- 2011 Black
- 2011 White
- 2012 Black 2
- 2012 White 2
Gen VI
- 2013 X
- 2013 Y
- 2014 Alpha Sapphire
- 2014 Omega Ruby
Gen VII
- 2016 Moon
- 2016 Sun
- 2017 Ultra Moon
- 2017 Ultra Sun
- 2018 Let's Go, Eevee!
- 2018 Let's Go, Pikachu!
Gen IX
- 2022 Scarlet
- 2022 Violet
- 2023 Indigo Disk DLC
- 2026 Pokémon Pokopia
Side games + live service
- 2016 Pokémon GO
How to get it
How to get Muk.
Every main-series game Muk is in, newest first: how to get it, version exclusives and Shiny locks.
Generation IXObtainableNot in the game
- Scarlet · VioletObtainable
- RaidTera Raid Battles (4★)
- Legends: Z-ANot in the game
Generation VIIIObtainableNot in the game
- Sword · Shield · Legends: ArceusNot in the game
- Brilliant Diamond · Shining PearlObtainable
- EvolveGrimer (Level 38)
Generation VIIObtainableTradeTransfer only
- Sun · Moon · Ultra Sun · Ultra MoonTransfer only
- TransferPokémon Bank
- Let's Go, Pikachu!Obtainable
- WildPokémon Mansion, Power Plant
- Let's Go, Eevee!Trade
Generation VIObtainable
- X · YObtainable
- WildFriend Safari (Poison) (needs another player)
- Omega Ruby · Alpha SapphireObtainable
- EvolveGrimer (Level 38)
Generation VObtainableTrade
- Black · WhiteTrade
- Black 2 · White 2Obtainable
- WildCastelia Sewers (Fishing or Surfing in rippling water) (spring) (summer)
- WildRoute 9
- WildRoute 9 (Hidden Grotto)
Generation IVObtainable
- Diamond · Pearl · PlatinumObtainable
- EvolveGrimer (Level 38)
- HeartGold · SoulSilverObtainable
- WildRoutes 16, 17, 18
- WildCeladon City (Surfing)
- WildSafari Zone (tall grass in Marshland with 8 Waterside points; Surfing in Marshland with 16 Waterside points)
Generation IIIObtainable
- Ruby · Sapphire · Emerald · FireRedObtainable
- EvolveGrimer (Level 38)
- LeafGreenObtainable
- WildPokémon Mansion
Generation IIObtainable
- Gold · Silver · CrystalObtainable
- WildRoutes 16, 17, 18
- WildCeladon City (Surfing)
Generation IObtainable
- Red · BlueObtainable
- WildPokémon Mansion
- YellowObtainable
- WildPokémon Mansion, Power Plant
- In-game tradeTrade Kangaskhan at the Pokémon Lab on Cinnabar Island
- Pokémon HOME
- Send it to HOME from Pokémon Bank; Let's Go, Pikachu!; Brilliant Diamond; Shining Pearl; Scarlet; Violet; FireRed; and LeafGreen. From HOME it can move into Brilliant Diamond, Shining Pearl, Scarlet and Violet.
- Pokémon Champions
- Not on the roster.
Pokémon anime
Muk appears in 54 episodes.
From EP030 (1997-10-21) through HZ145 (2026-08-14).
TCG Pocket appearances
Muk in TCG Pocket.
Every printed variant on iOS / Android. Tap any card for full art.
Find similar
Pokémon like Muk
Closest matches by typing, role, stats, and lore, from the same semantic search that powers the Reverse Dex.