Muk
Gold

They love to gath­ er in smelly areas where sludge ac­ cumulates, making the stench around them worse.

Silver

Its body is made of a powerful poi­ son. 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.

Evolution Chain

grimer
Grimer
Level 38
muk
Muk

Pokédex & Training Data

Classification Sludge Pokémon
Height 1.2 m (3'11")
Weight 30.0 kg (66.1 lbs)
Abilities N/A in Gen II
EV Yield +1 hp
+1 attack
Catch Rate 75
Base Friendship 70
Growth Rate medium
Gender Ratio
♂ ♀
Egg Groups Indeterminate

Pokédex Numbers

Kanto (R/B/Y) #089
Johto (G/S/C) #117
Hoenn (R/S/E) #107
Johto (HG/SS) #118
Unova (B2/W2) #065
Hoenn (OR/AS) #112
Alola (S/M) #051
Alola (US/UM) #058
Paldea (S/V) #195
National #089
Blueberry #069

Held Items

None in this generation.

Game Locations

Celadon City Area
Kanto Route 16 Area
Kanto Route 17 Area
Kanto Route 18 Area

Learned Moves

Level Up Moves

Gold/Silver
Lvl Name Class Power Acc. PP Effect
1 Pound
40 100% 35 Inflicts regular damage with no additional effect.
1 Harden
— — 30 Raises the user’s Defense by one stage.
1 Poison Gas
— 90% 40 Poisons the target.
23 Minimize
— — 10 Raises the user’s evasion by two stages.
31 Screech
— 85% 40 Lowers the target’s Defense by two stages.
33 Harden
— — 30 Raises the user’s Defense by one stage.
37 Disable
— 100% 20 Disables the target’s last used move for 1-8 turns.
45 Sludge
65 100% 20 Has a 30% chance to poison the target.
45 Acid Armor
— — 20 Raises the user’s Defense by two stages.
60 Sludge Bomb
90 100% 10 Has a 30% chance to poison the target.
Crystal
Lvl Name Class Power Acc. PP Effect
1 Pound
40 100% 35 Inflicts regular damage with no additional effect.
1 Harden
— — 30 Raises the user’s Defense by one stage.
1 Poison Gas
— 90% 40 Poisons the target.
23 Minimize
— — 10 Raises the user’s evasion by two stages.
31 Screech
— 85% 40 Lowers the target’s Defense by two stages.
33 Harden
— — 30 Raises the user’s Defense by one stage.
37 Disable
— 100% 20 Disables the target’s last used move for 1-8 turns.
45 Sludge
65 100% 20 Has a 30% chance to poison the target.
45 Acid Armor
— — 20 Raises the user’s Defense by two stages.
60 Sludge Bomb
90 100% 10 Has a 30% chance to poison the target.

TM/HM Moves

Gold/SilverCrystal
Name Class Power Acc. PP Effect
TM01 Dynamic Punch
100 50% 5 Has a 100% chance to confuse the target.
TM03 Curse
— — 10 Ghosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense.
TM06 Toxic
— 90% 10 Badly poisons the target, inflicting more damage every turn.
TM07 Zap Cannon
120 50% 5 Has a 100% chance to paralyze the target.
TM10 Hidden Power
60 100% 15 Power and type depend upon user’s IVs. Power can range from 30 to 70.
TM11 Sunny Day
— — 5 Changes the weather to sunny for five turns.
TM13 Snore
50 100% 15 Has a 30% chance to make the target flinch. Only works if the user is sleeping.
TM15 Hyper Beam
150 90% 5 User foregoes its next turn to recharge.
TM17 Protect
— — 10 Prevents any moves from hitting the user this turn.
TM19 Giga Drain
75 100% 10 Drains half the damage inflicted to heal the user.
TM20 Endure
— — 10 Prevents the user’s HP from lowering below 1 this turn.
TM21 Frustration
— 100% 20 Power increases as happiness decreases, up to a maximum of 102.
TM25 Thunder
110 70% 10 Has a 30% chance to paralyze the target.
TM27 Return
— 100% 20 Power increases with happiness, up to a maximum of 102.
TM31 Mud Slap
20 100% 10 Has a 100% chance to lower the target’s accuracy by one stage.
TM32 Double Team
— — 15 Raises the user’s evasion by one stage.
TM33 Ice Punch
75 100% 15 Has a 10% chance to freeze the target.
TM34 Swagger
— 85% 15 Raises the target’s Attack by two stages and confuses the target.
TM35 Sleep Talk
— — 10 Randomly uses one of the user’s other three moves. Only works if the user is sleeping.
TM36 Sludge Bomb
90 100% 10 Has a 30% chance to poison the target.
TM38 Fire Blast
110 85% 5 Has a 10% chance to burn the target.
TM41 Thunder Punch
75 100% 15 Has a 10% chance to paralyze the target.
TM44 Rest
— — 5 User sleeps for two turns, completely healing itself.
TM45 Attract
— 100% 15 Target falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user.
TM46 Thief
60 100% 25 Takes the target’s item.
TM48 Fire Punch
75 100% 15 Has a 10% chance to burn the target.

Tutor Moves

Crystal
Name Class Power Acc. PP Effect
Flamethrower
90 100% 15 Has a 10% chance to burn the target.
Thunderbolt
90 100% 15 Has a 10% chance to paralyze the target.

Base Stats

Hp 105
Attack 105
Defense 75
Sp. Atk 65
Sp. Def 100
Speed 50
Total 500

Type Defenses

(vs. Gen 6+ rules)

0.5x
0.5x
0.5x
2x
2x
0.5x
0.5x