(Pokémon Red, Blue, Yellow, Gold, Silver and Crystal Versions)

Muk is a Poison-type Pokémon.

Grimer evolves into Muk at level 38. Muk does not evolve.


Red Blue Yellow Gold Silver Crystal
Muk sprite Muk sprite Muk sprite Muk sprite
shiny Muk sprite
Muk sprite
shiny Muk sprite
Muk sprite
shiny Muk sprite

Base Stats

Special Attack65GSC
Special Defense100GSC


Number 089: Muk, the Sludge Pokémon. Height: 3'11", Weight: 66.0lbs.

Red and Blue Yellow Gold Silver Crystal
Thickly covered
with a filthy,
vile sludge. It
is so toxic, even
its footprints
contain poison.
Smells so awful,
it can cause
fainting. Through
degeneration, it
lost its sense of
They love to gath-
er in smelly areas
where sludge ac-
cumulates, making
the stench around
them worse.
Its body is made
of a powerful poi-
son. Touching it
accidentally will
cause a fever that
requires bed rest.
As it moves, a
very strong poison
leaks from it,
making the ground
there barren for
three years.


Muk can use the following moves:

Move Learnt
Pound at level 1
Disable at level 1RBY
Harden at level 1GSC
Poison Gas at level 1
Minimize at level 23GSC
Poison Gas at level 30RBY
Screech at level 31GSC
Harden at level 33GSC
Minimize at level 33RBY
Disable at level 37GSC
Sludge at level 37RBY
Harden at level 45RBY
Sludge at level 45GSC
Acid Armor at level 45GSC
Screech at level 53RBY
Acid Armor at level 60RBY
Sludge Bomb at level 60GSC
Dynamicpunch from TM01GSC
Curse from TM03GSC
Toxic from TM06
Zap Cannon from TM07GSC
Body Slam from TM08RBY
Hidden Power from TM10GSC
Sunny Day from TM11GSC
Snore from TM13GSC
Hyper Beam from TM15
Protect from TM17GSC
Giga Drain from TM19GSC
Rage from TM20RBY
Endure from TM20GSC
Mega Drain from TM21RBY
Frustration from TM21GSC
Thunderbolt from TM24RBY
Thunder from TM25
Return from TM27GSC
Mimic from TM31RBY
Mud-slap from TM31GSC
Double Team from TM32
Ice Punch from TM33GSC
Bide from TM34RBY
Swagger from TM34GSC
Sleep Talk from TM35GSC
Selfdestruct from TM36RBY
Sludge Bomb from TM36GSC
Fire Blast from TM38
Thunderpunch from TM41GSC
Rest from TM44
Attract from TM45GSC
Thief from TM46GSC
Explosion from TM47RBY
Fire Punch from TM48GSC
Substitute from TM50RBY
Flamethrower from a Move TutorC
Thunderbolt from a Move TutorC

Show information about:
Generation I: Red Blue Yellow
Generation II: Gold Silver Crystal

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