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Muk (Pokémon)

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#088: Grimer
Pokémon
#090: Shellder
Muk
ベトベトン Betbeton

Artwork from FR/LG
Type Species
 Poison  Sludge Pokémon
Abilities Exp. at 100
Stench or Sticky Hold 1,000,000
Pokédex
Kanto
#089
Johto
#118*
Hoenn
#107
Sinnoh
#—
Browser
Fiore
R-088
Almia
R-152
Height Weight
3'11" 66.1 lbs.
Pokédex color Footprint Body style Catch rate
Purple Image:F089.png Image:Body04.png 75
Gender ratio
50% male
50% female
Egg groups Egg cycles
Indeterminate 21 (5355 steps*)
EV yield
HP
1
Atk
1
Def
0
Sp.Atk
0
Sp.Def
0
Speed
0
Exp.
157

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

It evolves from Grimer starting at level 38.

Contents

Biology

Physiology

Muk basically 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 then the right one.

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 get flu. 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

Habitat

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.

Diet

Main article: Pokémon food

Muk will eat anything that is already contaminated.

In the anime

Three Muk in the anime

Major Appearances

Ash's Muk

Ash captured a Muk in Sparks Fly for Magnemite. It was transferred to Professor Oak's lab. Ash's Muk is always trying to smother Prof. Oak. The first time Ash used his Muk in battle was in The Fourth Round Rumble, as a trump card against a Bellsprout that had already defeated his Bulbasaur and Pikachu.

Other

Six Muk appeared in The Psyduck Stops Here!.

Minor Appearances

Muk also appeared under the ownership of Attila during The Legend of Thunder!

Pokédex entries

Episode Pokémon Pokédex Entry
EP030 Muk Ash's Pokédex Muk, Grimer's evolved form. Use extreme caution as its slimy form contains poison.
This concludes the entries from the original series.
Episode Pokémon Pokédex Entry
DP087 Muk Dawn's Pokédex Muk, the Sludge Pokémon. A horribly toxic liquid seeps out of its body.
This concludes the entries from the Diamond & Pearl series.

In the manga

Muk is one of the Pokémon owned by Koga in Pokémon Adventures, used in his attack on Articuno.

Muk is seen again during the Elite Four saga, used by Koga to shield himself from the debris of the collapsing Cerise Island.

In the TCG

Main article: Muk (TCG)

Game data

Pokédex entries

Gen Game Pokédex entry
I Red Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.
Blue Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.
Yellow Smells so awful, it can cause fainting. Through degeneration, it lost its sense of smell.
Stadium Becomes indistinguishable if it hides in dirt. Touching its sludge-covered body causes horrible poisonings.
II Gold They love to gather in smelly areas where sludge accumulates, making the stench around them worse.
Silver Its body is made of a powerful poison. Touching it accidentally will cause a fever that requires bed rest.
Crystal As it moves, a very strong poison leaks from it, making the ground there barren for three years.
Stadium 2 They love to gather in smelly areas where sludge accumulates, making the stench around them worse.
III Ruby From Muk's body seeps a foul fluid that gives off a nose-bendingly horrible stench. Just one drop of this Pokémon's body fluid can turn a pool stagnant and rancid.
Sapphire This Pokémon's favorite food is anything that is repugnantly filthy. In dirty towns where people think nothing of throwing away litter on the streets, Muk are certain to gather.
Emerald It prefers warm and humid habitats. In the summertime, the toxic substances in its body intensify, making Muk reek like putrid kitchen garbage.
FireRed It is usually undetectable because it blends in with the ground. Touching it can cause terrible poisoning.
LeafGreen Thickly covered with a filthy, vile sludge. It is so toxic, even its footprints contain poison.
IV Diamond A toxic fluid seeps from its body. The fluid instantly kills plants and trees on contact.
Pearl A toxic fluid seeps from its body. The fluid instantly kills plants and trees on contact.
Platinum A toxic fluid seeps from its body. The fluid instantly kills plants and trees on contact.
HeartGold They love to gather in smelly areas where sludge accumulates, making the stench around them worse.
SoulSilver Its body is made of a powerful poison. Touching it accidentally will cause a fever that requires bed rest.

Game locations

Gen Game Rarity Area
I Red Blue Rare Pokémon Mansion
Yellow Rare Pokémon Mansion, Power Plant, trade a Kangaskhan on Cinnabar Island
II Gold Silver Rare Celadon City, Routes 16, 17, and 18
Crystal Rare Celadon City, Routes 16, 17, and 18
III Ruby Sapphire None Evolve Grimer
Emerald None Evolve Grimer
FireRed LeafGreen Rare Evolve Grimer (FireRed), Pokémon Mansion (LeafGreen)
Colosseum None Trade
XD None Evolve Grimer
IV Diamond Pearl None Evolve Grimer
Platinum None Evolve Grimer
HeartGold SoulSilver None Trade
 Pal Park  Field

In side games

Game Location
Pokémon Snap Cave
Pokémon Pinball:
Ruby & Sapphire
Evolve from Grimer
Pokémon Trozei! Secret Storage 16
Trozei Battle
Mr. Who's Den
Pokémon Mystery Dungeon
Red/Blue Rescue Team
Evolve from Grimer
Pokémon Mystery Dungeon
Explorers of Time/Darkness
Sky Stairway (1F-49F)
Pokémon Ranger Underground Waterways
Pokémon Ranger:
Shadows of Almia
Volcano Cave
Pokémon Rumble Tower of Eternity

Held items

Game Items
Gold, Silver, and Crystal Nugget (8%)
Gold Leaf (trade from Generation I)
Ruby, Sapphire, and Emerald Nugget (5%)
Diamond, Pearl, and Platinum Nugget (5%)

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.
  • Maximum stats are calculated with 252 EVs, IVs of 31, and a helpful nature.
  • This Pokémon's  Special  base stat in Generation I was 65.


Pokéthlon stats

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

Type effectiveness

Weak to Resistant to Immune to Normal effectiveness

Notes:

Learnset

Muk is capable of learning the following moves in Generation IV.

  • Moves in bold are damaging moves to which STAB applies.


By leveling up

Generation IV
Other generation learnsets: I - II - III
Level Move Type Cat. Pwr. Acc. PP Contest Appeal
Start Poison Gas Poison Status 55% 40 Smart 3 ♥♥♥
Start Pound Normal Physical 40 100% 35 Tough 3 ♥♥♥
Start Harden Normal Status —% 30 Tough 2 ♥♥
Start Mud-Slap Ground Special 20 100% 10 Cute 3 ♥♥♥
4 Harden Normal Status —% 30 Tough 2 ♥♥
7 Mud-Slap Ground Special 20 100% 10 Cute 3 ♥♥♥
12 Disable Normal Status 80% 20 Smart 2 ♥♥
17 Minimize Normal Status —% 20 Cute 2 ♥♥
20 Sludge Poison Special 65 100% 20 Tough 2 ♥♥
23 Mud Bomb Ground Special 60 85% 10 Smart 0
28 Fling Dark Physical 100% 10 Tough 1
33 Screech Normal Status 85% 40 Smart 2 ♥♥
36 Sludge Bomb Poison Special 90 100% 10 Tough 2 ♥♥
44 Acid Armor Poison Status —% 40 Tough 0
54 Gunk Shot Poison Physical 120 70% 5 Cool 3 ♥♥♥
65 Memento Dark Status 100% 10 Tough 0
Bold indicates a move that gets STAB
Italic indicates a move that gets STAB only from an evolution of this Pokémon

By TM/HM

Generation IV
Other generation learnsets: I - II - III
TM Move Type Cat. Pwr. Acc. PP Contest Appeal
TM01 Focus Punch Fighting Physical 150 100% 20 Tough 1
TM06 Toxic Poison Status 85% 10 Smart 2 ♥♥
TM10 Hidden Power Normal Special 100% 15 Smart 1
TM11 Sunny Day Fire Status —% 5 Beauty 2 ♥♥
TM12 Taunt Dark Status 100% 20 Smart 0
TM15 Hyper Beam Normal Special 150 90% 5 Cool 2 ♥♥
TM17 Protect Normal Status —% 10 Cute 0
TM18 Rain Dance Water Status —% 5 Tough 2 ♥♥
TM19 Giga Drain Grass Special 60 100% 10 Smart 1
TM21 Frustration Normal Physical 100% 20 Cute 2 ♥♥
TM24 Thunderbolt Electric Special 95 100% 15 Cool 2 ♥♥
TM25 Thunder Electric Special 120 70% 10 Cool 2 ♥♥
TM27 Return Normal Physical 100% 20 Cute 2 ♥♥
TM28 Dig Ground Physical 80 100% 10 Smart 1
TM30 Shadow Ball Ghost Special 80 100% 15 Smart 2 ♥♥
TM31 Brick Break Fighting Physical 75 100% 15 Cool 3 ♥♥♥
TM32 Double Team Normal Status —% 15 Cool 2 ♥♥
TM34 Shock Wave Electric Special 60 —% 20 Cool 2 ♥♥
TM35 Flamethrower Fire Special 95 100% 15 Beauty 2 ♥♥
TM36 Sludge Bomb Poison Special 90 100% 10 Tough 2 ♥♥
TM38 Fire Blast Fire Special 120 85% 5 Beauty 2 ♥♥
TM39 Rock Tomb Rock Physical 50 80% 10 Smart 2 ♥♥
TM41 Torment Dark Status 100% 15 Tough 0
TM42 Facade Normal Physical 70 100% 20 Cute 2 ♥♥
TM43 Secret Power Normal Physical 70 100% 20 Smart 2 ♥♥
TM44 Rest Psychic Status —% 10 Cute 0
TM45 Attract Normal Status 100% 15 Cute 2 ♥♥
TM46 Thief Dark Physical 40 100% 10 Tough 0
TM52 Focus Blast Fighting Special 120 70% 5 Cool 2 ♥♥
TM56 Fling Dark Physical 100% 10 Tough 1
TM58 Endure Normal Status —% 10 Tough 2 ♥♥
TM64 Explosion Normal Physical 250 100% 5 Beauty 0
TM66 Payback Dark Physical 50 100% 10 Cool 1
TM68 Giga Impact Normal Physical 150 90% 5 Beauty 2 ♥♥
TM78 Captivate Normal Status 100% 20 Beauty 2 ♥♥
TM79 Dark Pulse Dark Special 80 100% 15 Cool 2 ♥♥
TM80 Rock Slide Rock Physical 75 90% 10 Tough 3 ♥♥♥
TM82 Sleep Talk Normal Status —% 10 Cute 3 ♥♥♥
TM83 Natural Gift Normal Physical 100% 15 Cool 2 ♥♥
TM84 Poison Jab Poison Physical 80 100% 20 Smart 2 ♥♥
TM87 Swagger Normal Status 90% 15 Cute 2 ♥♥
TM90 Substitute Normal Status —% 10 Smart 1
HM04 Strength Normal Physical 80 100% 15 Tough 3 ♥♥♥
HM06 Rock Smash Fighting Physical 40 100% 15 Tough 2 ♥♥
Bold indicates a move that gets STAB
Italic indicates a move that gets STAB only from an evolution of this Pokémon

By breeding

Generation IV
Other generation learnsets: II - III
Father Move Type Cat. Pwr. Acc. PP Contest Appeal
Shuppet, Banette
Duskull, Dusclops, Dusknoir
Gastly, Haunter, Gengar
Spiritomb
Curse ??? Status —% 10 Tough 0
Koffing, Weezing
Drifloon, Drifblim
Explosion Normal Physical 250 100% 5 Beauty 0
Koffing, Weezing Haze Ice Status —% 30 Beauty 2 ♥♥
Ralts, Kirlia, Gardevoir Imprison Psychic Status —% 10 Smart 1
Gastly, Haunter, Gengar Lick Ghost Physical 20 100% 30 Tough 0
Gastly, Haunter, Gengar
Duskull, Dusclops, Dusknoir
Misdreavus, Mismagius
Mean Look Normal Status —% 5 Beauty 2 ♥♥
Haunter, Gengar
Dusclops, Dusknoir
Shadow Punch Ghost Physical 60 —% 20 Smart 2 ♥♥
Shuppet, Banette
Duskull, Dusclops, Dusknoir
Spiritomb
Shadow Sneak Ghost Physical 40 100% 30 Smart 2 ♥♥
Gulpin, Swalot
Drifloon, Drifblim
Stockpile Normal Status —% 20 Tough 0
Gulpin, Swalot
Drifloon, Drifblim
Spit Up Normal Special 100% 10 Tough 2 ♥♥
Gulpin, Swalot
Drifloon, Drifblim
Swallow Normal Status —% 10 Tough 0
Bold indicates a move that gets STAB
Italic indicates a move that gets STAB from an evolution of this Pokémon
*Indicates a move only available by chain breeding

By tutoring

Generation IV
Other generation learnsets: II - III
Game Move Type Cat. Pwr. Acc. PP Contest Appeal
D P Pt HG SS Block Normal Status —% 5 Cute 2 ♥♥
D P Pt HG SS Fire Punch Fire Physical 75 100% 15 Beauty 2 ♥♥
D P Pt HG SS Gunk Shot Poison Physical 120 70% 5 Cool 3 ♥♥♥
D P Pt HG SS Ice Punch Ice Physical 75 100% 15 Beauty 2 ♥♥
D P Pt HG SS Mud-Slap Ground Special 20 100% 10 Cute 3 ♥♥♥
D P Pt HG SS Pain Split Normal Status —% 20 Smart 2 ♥♥
D P Pt HG SS Snore Normal Special 40 100% 15 Cute 3 ♥♥♥
D P Pt HG SS ThunderPunch Electric Physical 75 100% 15 Cool 2 ♥♥
Bold indicates a move that gets STAB
Italic indicates a move that gets STAB only from an evolution of this Pokémon
A colored initial indicates that the move is not available to be tutored in this game,
while a colored background indicates that the move is available.

Side game data

Pokémon Pinball
Image:Pin089.png Acquisition: Evolve
Pokémon Pinball: Ruby & Sapphire
Image:PinRS089.png Acquisition: Evolve
Pokémon Trozei!
Image:Trozeiani089.gif Rarity: Rare Image:Trozeiani089.gif
Pokémon Mystery Dungeon
Red Rescue Team and Blue Rescue Team
Body size: 1 Recruit Rate: Evolve Friend Area: Poison Swamp
Phrases
51%-100% HP Touch me at the risk of your health!
26%-50% HP My HP's gone down to half...
1%-25% HP I'm done for... I wish I lived a better life...
Level Up I leveled up! It fills me with glee!
Pokémon Ranger
Group:  Poison  Loops: 10 Minimum Experience: 58
Poké Assist: Image:Poisonpa.PNG ( Poison ) Field Move: None Maximum Experience: 78
"Muk heads right for the Capture Disc. It hurls big globs of sludge."
Pokémon Mystery Dungeon
Explorers of Time and Explorers of Darkness
Image:MDP089.png Body size: 1 Recruit Rate: -4.5% IQ Group: G



Pokémon Ranger: Shadows of Almia
Group:  Poison  Poké Assist: Image:Poisonpa.PNG ( Poison ) Field Move: Image:Crush 3fieldmove.PNG (Crush ×3)
"It attacks by spitting poison and letting loose poisonous fog."

Evolution

File:088.png
Unevolved
Grimer
 Poison 
Rare Candy
Level 38


File:089.png
First evolution
Muk
 Poison 


Sprites

Gen Game
I Red Blue Yellow Red (Ja) Green Back
Image:Spr_1b_089.png Image:Spr_1y_089.png Image:Spr_1g_089.png Image:Spr_b_g1_089.png
II Gold Silver Crystal   Back
Image:Spr_2g_089.png Image:Spr_2s_089.png Image:Spr_2c_089.gif Image:Spr_b_g2_089.png
Image:Spr_2g_089_s.png Image:Spr_2s_089_s.png Image:Spr_2c_089_s.gif Image:Spr_b_g2_089_s.png
III Ruby Sapphire Emerald FireRed LeafGreen Back
Image:Spr_3r_089.png Image:Spr_3e_089.gif Image:Spr_3f_089.png Image:Spr_b_g3_089.png
Image:Spr_3r_089_s.png File:Spr 3e 089 s.gif Image:Spr_3f_089_s.png Image:Spr_b_g3_089_s.png
IV Diamond Pearl Platinum HeartGold SoulSilver Back
Image:Spr_4d_089.png Image:Spr_4p_089.png Image:Spr_4h_089.png Image:Spr_b_g4_089.png
Image:Spr_4d_089_s.png Image:Spr_4p_089_s.png Image:Spr_4h_089_s.png Image:Spr_b_g4_089_s.png
Muk For other sprites and images, please see Muk images on Bulbagarden Archives.

Trivia

  • Although Muk's body is very poisonous, it doesn't seem to harm Ash, Oak, Misty, Birch, or Tracey when Muk is 'hugging' them. This is probably because it is able to control whether it gives off poison or not similar to how Ponyta can choose whether or not to burn the person that touches it. Croagunk is another Pokémon which is able to control the amount of poison it uses via its fingertips when using Poison Jab, or Sharpedo activating its ability, Rough Skin.
  • Muk's English name is the shortest out of all Pokémon except that of Mew's, with which it is tied.
  • Haunter and Muk are the only two Pokémon whose weight does not change as a result of evolution.
  • Even though Muk's Pokémon Red, Pokémon Blue, and Pokémon LeafGreen Pokédex entries state that its footprints are poisonous, Muk does not have a footprint.
  • Although Muk's Pokémon FireRed entry states that contact with this Pokémon causes terrible poisoning, this Pokémon cannot have the ability Poison Point, or any similar ability. Furthermore, it cannot learn Toxic by level up, instead only by TM.
  • In Pokémon Platinum, Muk is the one of the few Pokémon not in the Sinnoh Dex, and not introduced in Generation IV, to have a new sprite. Meowth, Oddish, Hitmonlee, Ninetales, Primeape, Krabby, and Registeel are the others.
  • All of its Pokédex entries state how its sludge will cause bad effects to something.

Origin

It appears to be a pile of living sludge.

Name origin

Muk's name seems to be a corruption of muck. Its Japanese name may be derived from べとべと betobeto, sticky.

In other languages

  • German: Sleimok - From Schleim (slime) and Mok a modification of the English Muck.
  • French: Grotadmorv - From gros (big or fat) and Tadmorv (the French name for Grimer).
  • Korean: 질뻐기 Jilppagi

Related articles

External links

Notes


#088: Grimer
Pokémon
#090: Shellder
This Pokémon article is part of Project Pokédex, a Bulbapedia project that aims to write comprehensive articles on each Pokémon as a species.
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