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Muk

#89 in the Red and Blue Pokédex • Sludge Pokémon

Pokémon Red

Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.

Pokémon Blue

Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.

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 Blue

LocationMethodLevelChanceConditions

Pokémon Mansion

Pokemon Mansion (1F)

Walking in tall grass or a cave374%

-

Pokémon Mansion

Pokemon Mansion (2F)

Walking in tall grass or a cave394%

-

Pokémon Mansion

Pokemon Mansion (3F)

Walking in tall grass or a cave4010%

-

Pokémon Mansion

Pokemon Mansion (3F)

Walking in tall grass or a cave385%

-

Pokémon Mansion

Pokemon Mansion (B1F)

Walking in tall grass or a cave4010%

-

Pokémon Red

LocationMethodLevelChanceConditions

Pokémon Mansion

Pokemon Mansion (1F)

Walking in tall grass or a cave391%

-

Pokémon Mansion

Pokemon Mansion (2F)

Walking in tall grass or a cave371%

-

Pokémon Mansion

Pokemon Mansion (3F)

Walking in tall grass or a cave421%

-

Pokémon Mansion

Pokemon Mansion (B1F)

Walking in tall grass or a cave421%

-

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

GroundPsychic

Resistances

Takes 0.5× from

GrassFightingPoisonBug
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.

R/B / Pokédex

Muk

Muk

#89 in the Red and Blue Pokédex • Sludge Pokémon

Pokémon Red

Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.

Pokémon Blue

Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.

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 Blue

LocationMethodLevelChanceConditions

Pokémon Mansion

Pokemon Mansion (1F)

Walking in tall grass or a cave374%

-

Pokémon Mansion

Pokemon Mansion (2F)

Walking in tall grass or a cave394%

-

Pokémon Mansion

Pokemon Mansion (3F)

Walking in tall grass or a cave4010%

-

Pokémon Mansion

Pokemon Mansion (3F)

Walking in tall grass or a cave385%

-

Pokémon Mansion

Pokemon Mansion (B1F)

Walking in tall grass or a cave4010%

-

Pokémon Red

LocationMethodLevelChanceConditions

Pokémon Mansion

Pokemon Mansion (1F)

Walking in tall grass or a cave391%

-

Pokémon Mansion

Pokemon Mansion (2F)

Walking in tall grass or a cave371%

-

Pokémon Mansion

Pokemon Mansion (3F)

Walking in tall grass or a cave421%

-

Pokémon Mansion

Pokemon Mansion (B1F)

Walking in tall grass or a cave421%

-

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

GroundPsychic

Resistances

Takes 0.5× from

GrassFightingPoisonBug
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.