Sprite

No. 0089 · Generation I · Kanto

Muk

The Sludge Pokémon

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

Watch the video

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

Sep 3, 2026

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

Competitive

Muk in competitive play.

Muk is a Generation 9 PU-tier pick in Smogon singles. In Pokémon GO it ranks #475 in the Great League.

ToxTect

Toxic / Protect / Knock Off / Drain Punch

ItemLeftovers
AbilitySticky Hold
NatureImpish
EVs248 HP / 252 Def / 8 SpD
TeraDark

Pokémon GO Battle League

Great League #475 78 score

Ultra League #325 79.4 score

Master League #338 49.9 score

Build around it: GO PvP IV optimizer · Team builder · Ask Dia

Movesets via Smogon, GO ranks via PvPoke. Updated 2026-06-01.

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.

See the full Q&A page for Muk →

Alternate forms