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088MS #088: Grimer
Pokémon
#090: Shellder 090MS
This article is about the species. For a specific instance of this species, see Muk (disambiguation).
Muk
ベトベトン Betbeton
#089
089Muk
Art by Ken Sugimori from FireRed and LeafGreen
Type
Poison Unknown
Species
Sludge Pokémon
Abilities
Stench or Sticky Hold Poison Touch
Hidden Ability
Exp. at Lv. 100
1,000,000
Regional Pokédex numbers
Kanto
#089
Johto
#118
Hoenn
#107
Unova
#065
Regional Browser numbers
Fiore
R-088
Almia
R-152
Height
3'11"
Imperial
1.2 m
Metric
Weight
66.1 lbs.
Imperial
30.0 kg
Metric
Dex color
Purple
Catch rate
75 (9.8%)
Body style
Body04
Footprint
 File:F089.png 
Gender ratio
50% male, 50% female
Breeding
Amorphous group 21 cycles
(5355 minimum steps)
EV yield
HP
1
Atk
1
Def
0
Sp.Atk
0
Sp.Def
0
Speed
0
Base Exp.: 157 Battle Exp.: 1571*

Muk (Japanese: ベトベトン Betbeton) is a Poison-type Pokémon.

It evolves from Grimer starting at level 38.

Biology

Physiology

Muk look very similar to its previous form, Grimer. The main differences are that Muk is larger than Grimer, and has a wider mouth and smaller eyes. It is also usually shown with its left arm being much larger than the right one, along with a strand connecting its upper and lower lip when its mouth is open. The sludge it is made of is apparently less dense than water as it has been shown to float on it in the anime.

Gender differences

None.

Special abilities

The toxicity of Muk's form has reached the point where a single drop of it can make an entire lake stagnant and rancid. Its footprints are toxic enough for a person to contract influenza if they are touched. Their infamous stench increases in the summertime, due to the toxic substances in its body intensifying. Their ability to exist in the environment without it becoming completely hazardous to other lifeforms may be attributed to their ability to actively control their toxins, as they would likely never want to deliberately pollute a river or spread any harmful diseases.

As a fully evolved Pokémon, Muk is capable of using the moves Hyper Beam and Giga Impact.

Behavior

In the wild, Muk usually take charge of their family of Grimer and are very protective.

Habitat

Urban

Urban Pokémon

This Pokémon likes warm and moist places. Groups of them accumulate in dirty places, such as garbage dumps or sewers. They sometimes also reside in dirty back alleys of towns. Despite their penchant for thriving in dirty, contaminated places, they do seem to have a limit as to how much pollution they can tolerate, as no Muk lived in the Lake Lucid of fifty years ago until some work was made on purifying it. Wild Muk are normally found only in Kanto.

Diet

Muk will eat anything that is already contaminated.

Pokédex entries

This Pokémon was unavailable prior to Generation I.
Generation I
Kanto
It is usually undetectable because it blends in with the ground. Touching it can cause terrible poisoning.
Generation II
Johto
Its body is made of a powerful poison. Touching it accidentally will cause a fever that requires bed rest.
 ???
No Pokédex data is available.


Game locations

This Pokémon was unavailable prior to Generation I.
Generation I
Kanto
Rare Pokémon Mansion
Generation II
Johto
None Trade

Stats

Base stats

Stat Range
At Lv. 50 At Lv. 100
HP: 105
165 - 212 320 - 414
Attack: 105
99 - 172 193 - 339
Defense: 75
72 - 139 139 - 273
Sp.Atk: 65
63 - 128 121 - 251
Sp.Def: 100
94 - 167 184 - 328
Speed: 50
49 - 112 94 - 218
Total: 500   Other Pokémon with this total  
  • Minimum stats are calculated with 0 EVs, IVs of 0, and a hindering nature, if applicable.
  • Maximum stats are calculated with 252 EVs, IVs of 31, and a helpful nature, if applicable.
  • This Pokémon's  Special  base stat in Generation I was 65.


Pokéathlon stats

Speed
1/5 ☆☆☆☆
Power
4/4 ★★★★
Skill
1/5 ☆☆☆☆
Stamina
5/5 ★★★★★
Jump
2/5 ★★☆☆☆
Total
13/24 ★★☆☆

Type effectiveness

Under normal battle conditions in Generation V, this Pokémon is:
Damaged
normally by:
Normal
Fighting ½×
Flying
Poison ½×
Ground
Rock
Bug ½×
Ghost
Steel
Fire
Water
Grass ½×
Electric
Psychic
Ice
Dragon
Dark
None
Weak to:
Normal
Fighting ½×
Flying
Poison ½×
Ground
Rock
Bug ½×
Ghost
Steel
Fire
Water
Grass ½×
Electric
Psychic
Ice
Dragon
Dark
None
Immune to:
Normal
Fighting ½×
Flying
Poison ½×
Ground
Rock
Bug ½×
Ghost
Steel
Fire
Water
Grass ½×
Electric
Psychic
Ice
Dragon
Dark
None
Resistant to:
Normal
Fighting ½×
Flying
Poison ½×
Ground
Rock
Bug ½×
Ghost
Steel
Fire
Water
Grass ½×
Electric
Psychic
Ice
Dragon
Dark
None
Notes:

Learnset

By leveling up

Generation V
Other generations:
I - II - III - IV
BW B2W2 Move Type Cat. Power Accuracy PP
00Start 00Start Poison Gas Poison Status 0000 080}}80% 40
00Start 00Start Pound Normal Physical 04040 100}}100% 35
00Start 00Start Harden Normal Status 0000 —}}—% 30
00Start 00Start Mud-Slap Ground Special 02020 100}}100% 10
044 044 Harden Normal Status 0000 —}}—% 30
077 077 Mud-Slap Ground Special 02020 100}}100% 10
1212 1212 Disable Normal Status 0000 100}}100% 20
2020 1515 Sludge Poison Special 06565 100}}100% 20
1717 1818 Minimize Normal Status 0000 —}}—% 20
2323 2121 Mud Bomb Ground Special 06565 085}}85% 10
3636 2626 Sludge Bomb Poison Special 09090 100}}100% 10
2828 2929 Fling Dark Physical 0000 100}}100% 10
3333 3232 Screech Normal Status 0000 085}}85% 40
5050 3737 Sludge Wave Poison Special 09595 100}}100% 10
4242 4343 Acid Armor Poison Status 0000 —}}—% 40
5858 4949 Gunk Shot Poison Physical 120120 070}}70% 5
6464 5757 Memento Dark Status 0000 100}}100% 10
  • A level of "Start" indicates a move that will be known by a Muk obtained at level 1 in Generation V
  • Bold indicates a move that gets STAB when used by Muk
  • Italic indicates a move that gets STAB only when used by an evolution of Muk
  • Click on the generation numbers at the top to see level-up moves from other generations

By TM/HM

Generation V
Other generations:
I - II - III - IV
 TM   Move   Type   Cat.   Pwr.   Acc.   PP 
Bag TM Poison Sprite TM06 Toxic Poison Status 90% 10
Bag TM Poison Sprite TM09 Venoshock Poison Special 65 100% 10
Bag TM Normal Sprite TM10 Hidden Power Normal Special 100% 15
Bag TM Fire Sprite TM11 Sunny Day Fire Status —% 5
Bag TM Dark Sprite TM12 Taunt Dark Status 100% 20
Bag TM Normal Sprite TM15 Hyper Beam Normal Special 150 90% 5
Bag TM Normal Sprite TM17 Protect Normal Status —% 10
Bag TM Water Sprite TM18 Rain Dance Water Status —% 5
Bag TM Normal Sprite TM21 Frustration Normal Physical 100% 20
Bag TM Electric Sprite TM24 Thunderbolt Electric Special 95 100% 15
Bag TM Electric Sprite TM25 Thunder Electric Special 120 70% 10
Bag TM Normal Sprite TM27 Return Normal Physical 100% 20
Bag TM Ground Sprite TM28 Dig Ground Physical 80 100% 10
Bag TM Ghost Sprite TM30 Shadow Ball Ghost Special 80 100% 15
Bag TM Fighting Sprite TM31 Brick Break Fighting Physical 75 100% 15
Bag TM Normal Sprite TM32 Double Team Normal Status —% 15
Bag TM Poison Sprite TM34 Sludge Wave Poison Special 95 100% 10
Bag TM Fire Sprite TM35 Flamethrower Fire Special 95 100% 15
Bag TM Poison Sprite TM36 Sludge Bomb Poison Special 90 100% 10
Bag TM Fire Sprite TM38 Fire Blast Fire Special 120 85% 5
Bag TM Rock Sprite TM39 Rock Tomb Rock Physical 50 80% 10
Bag TM Dark Sprite TM41 Torment Dark Status 100% 15
Bag TM Normal Sprite TM42 Facade Normal Physical 70 100% 20
Bag TM Psychic Sprite TM44 Rest Psychic Status —% 10
Bag TM Normal Sprite TM45 Attract Normal Status 100% 15
Bag TM Dark Sprite TM46 Thief Dark Physical 40 100% 10
Bag TM Normal Sprite TM48 Round Normal Special 60 100% 15
Bag TM Fighting Sprite TM52 Focus Blast Fighting Special 120 70% 5
Bag TM Dark Sprite TM56 Fling Dark Physical 100% 10
Bag TM Fire Sprite TM59 Incinerate Fire Special 30 100% 15
Bag TM Normal Sprite TM64 Explosion Normal Physical 250 100% 5
Bag TM Dark Sprite TM66 Payback Dark Physical 50 100% 10
Bag TM Normal Sprite TM68 Giga Impact Normal Physical 150 90% 5
Bag TM Rock Sprite TM80 Rock Slide Rock Physical 75 90% 10
Bag TM Poison Sprite TM84 Poison Jab Poison Physical 80 100% 20
Bag TM Normal Sprite TM87 Swagger Normal Status 90% 15
Bag TM Normal Sprite TM90 Substitute Normal Status —% 10
Bag TM Fighting Sprite TM94 Rock Smash Fighting Physical 40 100% 15
Bag HM Normal Sprite HM04 Strength Normal Physical 80 100% 15
  • Bold indicates a move that gets STAB when used by Muk
  • Italic indicates a move that gets STAB only when used by an evolution of Muk
  • Click on the generation numbers at the top to see TM moves from other generations

By breeding

Generation V
Other generations:
II - III - IV
 Father   Move   Type   Cat.   Pwr.   Acc.   PP 
092MS093MS094MS Curse Ghost Status —% 10
109MS110MS Haze Ice Status —% 30
092MS093MS094MS Lick Ghost Physical 20 100% 30
092MS093MS094MS200MS429MS Mean Look Normal Status —% 5
Cofagrigus Scary Face Normal Status 100% 10
093MS094MS Shadow Punch Ghost Physical 60 —% 20
  • Moves marked with an asterisk (*) must be chain bred onto Muk in Generation V
  • Moves marked with a double dagger (‡) can only be bred from a Pokémon who learned the move in an earlier generation.
  • Moves marked with a superscript game abbreviation can only be bred onto Muk in that game.
  • Bold indicates a move that gets STAB when used by Muk
  • Italic indicates a move that gets STAB only when used by an evolution of Muk
  • Click on the generation numbers at the top to see Egg moves from other generations

By tutoring

Generation V
Other generations:
II - III - IV
 Game   Move   Type   Cat.   Pwr.   Acc.   PP 
B W B2 W2 Block Normal Status —% 5
B W B2 W2 Dark Pulse Dark Special 80 100% 15
B W B2 W2 Fire Punch Fire Physical 75 100% 15
B W B2 W2 Giga Drain Grass Special 75 100% 10
B W B2 W2 Gunk Shot Poison Physical 120 70% 5
B W B2 W2 Ice Punch Ice Physical 75 100% 15
B W B2 W2 Pain Split Normal Status —% 20
B W B2 W2 Sleep Talk Normal Status —% 10
B W B2 W2 Snore Normal Special 40 100% 15
B W B2 W2 ThunderPunch Electric Physical 75 100% 15
  • A black abbreviation in a colored box indicates that Muk can be tutored the move in that game
  • A colored abbreviation in a white box indicates that Muk cannot be tutored the move in that game
  • Bold indicates a move that gets STAB when used by Muk
  • Italic indicates a move that gets STAB only when used by an evolution of Muk
  • Click on the generation numbers at the top to see Move Tutor moves from other generations

By a prior evolution

Generation V
Other generations:
I - II - III - IV
 Stage   Move   Type   Cat.   Pwr.   Acc.   PP 
This Pokémon has no moves exclusive to prior evolutions.
  • Bold indicates a move that gets STAB when used by Muk
  • Italic indicates a move that gets STAB only when used by an evolution of Muk
  • Click on the generation numbers at the top to see moves from other generations

Evolution

088
Unevolved
Grimer
 Poison 
Bag Rare Candy Sprite
Level 38


089
First evolution
Muk
 Poison 

088MS #088: Grimer
Pokémon
#090: Shellder 090MS