Dittobase

Home

Games

Pokémon GO
Pokopia
Pokémon Unite

Cards

TCG Pocket
Pokémon TCG

Main Series

Legends Z-A
Scarlet & Violet
Brilliant Diamond and Shining Pearl
Sword and Shield
Ultra Sun and Ultra Moon
Omega Ruby and Alpha Sapphire
X and Y
Black and White
FireRed and LeafGreen
Crystal
Gold and Silver
Yellow
Red and Blue

Tools

Yellow

Game

Yellow

News

Updates for this game hub

Guides

Kanto mechanics and tips

Pokédex

Stats, moves, and locations

Moves

Power, accuracy, and learners

Items

Bag and machine effects

Muk

#89 in the Yellow Pokédex • Sludge Pokémon

Pokémon Yellow

Smells so awful, it can cause fainting. Through degeneration, it lost its sense of smell.

Pokédexes

Kanto #89

Egg Group

Amorphous

Steps to Hatch

5,120

Effort Values Yielded

1 HP, 1 Atk

Gender Ratio

50% male / 50% female

Capture Rate

75

Base Experience

175
PokémonRequiresEvolution
Grimer

Grimer

#88

Level 38

Muk

Muk

#89

Pokémon Yellow

LocationMethodLevelChanceConditions

Kanto Power Plant

Power Plant

Walking in tall grass or a cave334%

-

Kanto Power Plant

Power Plant

Walking in tall grass or a cave371%

-

Pokémon Mansion

Pokemon Mansion (2F)

Walking in tall grass or a cave354%

-

Pokémon Mansion

Pokemon Mansion (2F)

Walking in tall grass or a cave381%

-

Pokémon Mansion

Pokemon Mansion (3F)

Walking in tall grass or a cave384%

-

Pokémon Mansion

Pokemon Mansion (3F)

Walking in tall grass or a cave411%

-

Pokémon Mansion

Pokemon Mansion (B1F)

Walking in tall grass or a cave4110%

-

Cinnabar Island

Cinnabar Lab (Cinnabar Island)

Npc Trade28-100100%

Give Kangaskhan in a Trade

Grimer

Shellder

Muk normal sprite

Normal

Muk

Sludge Pokémon

#89
Poison

Height

1.2 m

Weight

30 kg

Base XP

175

HP

105

Attack

105

Defense

75

Sp. Atk

65

Sp. Def

65

Speed

50

Total

465

Type Chart

Weaknesses

Takes 2× from

GroundPsychicBug

Resistances

Takes 0.5× from

GrassFightingPoison
Class
Description
StartPoundNormalPhysical4010035

StartDisableNormalStatus-5520

StartPoison GasPoisonStatus-5540

30Poison GasPoisonStatus-5540

33MinimizeNormalStatus--20

37SludgePoisonSpecial6510020

45HardenNormalStatus--30

53ScreechNormalStatus-8540

60Acid ArmorPoisonStatus--40

Class
Description
TM06ToxicPoisonStatus-8510

TM08Body SlamNormalPhysical8510015

TM15Hyper BeamNormalSpecial150905

TM20RageNormalPhysical2010020

TM21Mega DrainGrassSpecial4010010

TM24ThunderboltElectricSpecial9510015

TM25ThunderElectricSpecial1107010

TM31MimicNormalStatus--10

TM32Double TeamNormalStatus--15

TM34BideNormalPhysical--10

TM36Self-DestructNormalPhysical1301005

TM38Fire BlastFireSpecial110855

TM44RestPsychicStatus--5

TM47ExplosionNormalPhysical1701005

TM50SubstituteNormalStatus--10

Dittobase

© 2026 dittobase.com. All rights reserved.

This website is an independent platform and is not associated with, validated, backed, or sponsored by Nintendo, Game Freak, Niantic, or The Pokémon Company.

Y / Pokédex

Muk

Muk

#89 in the Yellow Pokédex • Sludge Pokémon

Pokémon Yellow

Smells so awful, it can cause fainting. Through degeneration, it lost its sense of smell.

Pokédexes

Kanto #89

Egg Group

Amorphous

Steps to Hatch

5,120

Effort Values Yielded

1 HP, 1 Atk

Gender Ratio

50% male / 50% female

Capture Rate

75

Base Experience

175
PokémonRequiresEvolution
Grimer

Grimer

#88

Level 38

Muk

Muk

#89

Pokémon Yellow

LocationMethodLevelChanceConditions

Kanto Power Plant

Power Plant

Walking in tall grass or a cave334%

-

Kanto Power Plant

Power Plant

Walking in tall grass or a cave371%

-

Pokémon Mansion

Pokemon Mansion (2F)

Walking in tall grass or a cave354%

-

Pokémon Mansion

Pokemon Mansion (2F)

Walking in tall grass or a cave381%

-

Pokémon Mansion

Pokemon Mansion (3F)

Walking in tall grass or a cave384%

-

Pokémon Mansion

Pokemon Mansion (3F)

Walking in tall grass or a cave411%

-

Pokémon Mansion

Pokemon Mansion (B1F)

Walking in tall grass or a cave4110%

-

Cinnabar Island

Cinnabar Lab (Cinnabar Island)

Npc Trade28-100100%

Give Kangaskhan in a Trade

Grimer

Shellder

Muk normal sprite

Normal

Muk

Sludge Pokémon

#89
Poison

Height

1.2 m

Weight

30 kg

Base XP

175

HP

105

Attack

105

Defense

75

Sp. Atk

65

Sp. Def

65

Speed

50

Total

465

Type Chart

Weaknesses

Takes 2× from

GroundPsychicBug

Resistances

Takes 0.5× from

GrassFightingPoison
Class
Description
StartPoundNormalPhysical4010035

StartDisableNormalStatus-5520

StartPoison GasPoisonStatus-5540

30Poison GasPoisonStatus-5540

33MinimizeNormalStatus--20

37SludgePoisonSpecial6510020

45HardenNormalStatus--30

53ScreechNormalStatus-8540

60Acid ArmorPoisonStatus--40

Class
Description
TM06ToxicPoisonStatus-8510

TM08Body SlamNormalPhysical8510015

TM15Hyper BeamNormalSpecial150905

TM20RageNormalPhysical2010020

TM21Mega DrainGrassSpecial4010010

TM24ThunderboltElectricSpecial9510015

TM25ThunderElectricSpecial1107010

TM31MimicNormalStatus--10

TM32Double TeamNormalStatus--15

TM34BideNormalPhysical--10

TM36Self-DestructNormalPhysical1301005

TM38Fire BlastFireSpecial110855

TM44RestPsychicStatus--5

TM47ExplosionNormalPhysical1701005

TM50SubstituteNormalStatus--10

Dittobase

© 2026 dittobase.com. All rights reserved.

This website is an independent platform and is not associated with, validated, backed, or sponsored by Nintendo, Game Freak, Niantic, or The Pokémon Company.