Grimer
#88 in the FireRed and LeafGreen Pokédex • Sludge Pokémon
FireRed
Sludge exposed to X rays from the moon transformed into GRIMER. It loves feeding on filthy things.
LeafGreen
Appears in filthy areas. It thrives by sucking up polluted sludge that is pumped out of factories.
Egg Group
Steps to Hatch
Effort Values Yielded
Gender Ratio
Capture Rate
Base Experience
FireRed
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Celadon City | Fishing with a Super Rod | 30-40 | 1% | - |
Pokémon Mansion Pokemon Mansion (1F) | Walking in tall grass or a cave | 28 | 5% | - |
Pokémon Mansion Pokemon Mansion (2F) | Walking in tall grass or a cave | 28 | 5% | - |
Pokémon Mansion Pokemon Mansion (3F) | Walking in tall grass or a cave | 28 | 5% | - |
Pokémon Mansion Pokemon Mansion (B1F) | Walking in tall grass or a cave | 28 | 5% | - |
LeafGreen
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Celadon City | Fishing with a Super Rod | 30-40 | 1% | - |
Pokémon Mansion Pokemon Mansion (1F) | Walking in tall grass or a cave | 28 | 20% | - |
Pokémon Mansion Pokemon Mansion (1F) | Walking in tall grass or a cave | 30 | 10% | - |
Pokémon Mansion Pokemon Mansion (2F) | Walking in tall grass or a cave | 28 | 20% | - |
Pokémon Mansion Pokemon Mansion (2F) | Walking in tall grass or a cave | 30 | 10% | - |
Pokémon Mansion Pokemon Mansion (3F) | Walking in tall grass or a cave | 28 | 20% | - |
Pokémon Mansion Pokemon Mansion (3F) | Walking in tall grass or a cave | 30 | 10% | - |
Pokémon Mansion Pokemon Mansion (B1F) | Walking in tall grass or a cave | 28 | 20% | - |
Pokémon Mansion Pokemon Mansion (B1F) | Walking in tall grass or a cave | 30 | 10% | - |

Normal

Shiny
Grimer
Sludge Pokémon

HP
80
Attack
80
Defense
50
Sp. Atk
40
Sp. Def
50
Speed
25
Total
325
Type Chart
Weaknesses
Takes 2× from


Resistances
Takes 0.5× from




| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Pound | ![]() | Physical | 40 | 100 | 35 | A physical attack delivered with a long tail or a foreleg, etc. |
| Start | Poison Gas | ![]() | Status | - | 55 | 40 | The foe is sprayed with a cloud of toxic gas that may poison the foe. |
| 4 | Harden | ![]() | Status | - | - | 30 | The user stiffens all the muscles in its body to raise its DEFENSE stat. |
| 8 | Disable | ![]() | Status | - | 55 | 20 | For a few turns, it prevents the foe from using the move it last used. |
| 13 | Sludge | ![]() | Special | 65 | 100 | 20 | Toxic sludge is hurled at the foe. It may poison the target. |
| 19 | Minimize | ![]() | Status | - | - | 20 | The user compresses all the cells in its body to raise its evasiveness. |
| 26 | Screech | ![]() | Status | - | 85 | 40 | An ear-splitting screech is emitted to sharply reduce the foe’s DEFENSE. |
| 34 | Acid Armor | ![]() | Status | - | - | 40 | The user alters its cells to liquefy itself and sharply raise DEFENSE. |
| 43 | Sludge Bomb | ![]() | Special | 90 | 100 | 10 | Filthy sludge is hurled at the foe. It may poison the target. |
| 53 | Memento | ![]() | Status | - | 100 | 10 | The user faints, but sharply lowers the foe’s ATTACK and SP. ATK. |
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Curse | ![]() | Status | - | - | 10 | A move that works differently for the GHOST-type and all the other types. |
| Explosion | ![]() | Physical | 250 | 100 | 5 | The user explodes to inflict terrible damage even while fainting itself. |
| Haze | ![]() | Status | - | - | 30 | Eliminates all stat changes among all Pokémon engaged in battle. |
| Imprison | ![]() | Status | - | - | 10 | Prevents foes from using any move that is also known by the user. |
| Lick | ![]() | Physical | 20 | 100 | 30 | The foe is licked and hit with a long tongue. It may also paralyze. |
| Mean Look | ![]() | Status | - | - | 5 | The foe is fixed with a mean look that prevents it from escaping. |
| Shadow Punch | ![]() | Physical | 60 | - | 20 | The user throws a punch from the shadows. It cannot be evaded. |
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| TM06 | Toxic | ![]() | Status | - | 85 | 10 | A move that badly poisons the foe. Its poison damage worsens every turn. |
| TM10 | Hidden Power | ![]() | Special | 1 | 100 | 15 | An attack that varies in type and intensity depending on the user. |
| TM11 | Sunny Day | ![]() | Status | - | - | 5 | The sun blazes for five turns, powering up FIRE-type moves. |
| TM12 | Taunt | ![]() | Status | - | 100 | 20 | The foe is taunted into a rage that allows it to use only attack moves. |
| TM17 | Protect | ![]() | Status | - | - | 10 | Enables the user to evade all attacks. It may fail if used in succession. |
| TM18 | Rain Dance | ![]() | Status | - | - | 5 | A heavy rain falls for five turns, powering up WATER- type moves. |
| TM19 | Giga Drain | ![]() | Special | 75 | 100 | 5 | A harsh attack that absorbs half the damage it inflicted to restore HP. |
| TM21 | Frustration | ![]() | Physical | - | 100 | 20 | This attack move grows more powerful the less the user likes its TRAINER. |
| TM24 | Thunderbolt | ![]() | Special | 95 | 100 | 15 | A strong electrical attack that may also leave the foe paralyzed. |
| TM25 | Thunder | ![]() | Special | 120 | 70 | 10 | A brutal lightning attack that may also leave the foe paralyzed. |
| TM27 | Return | ![]() | Physical | - | 100 | 20 | This attack move grows more powerful the more the user likes its TRAINER. |
| TM28 | Dig | ![]() | Physical | 60 | 100 | 10 | An attack that hits on the 2nd turn. Can also be used to exit dungeons. |
| TM32 | Double Team | ![]() | Status | - | - | 15 | The user creates illusory copies of itself to raise its evasiveness. |
| TM34 | Shock Wave | ![]() | Special | 60 | - | 20 | A rapid jolt of electricity strikes the foe. It can’t be evaded. |
| TM35 | Flamethrower | ![]() | Special | 95 | 100 | 15 | The foe is scorched with intense flames. The foe may suffer a burn. |
| TM36 | Sludge Bomb | ![]() | Special | 90 | 100 | 10 | Filthy sludge is hurled at the foe. It may poison the target. |
| TM38 | Fire Blast | ![]() | Special | 120 | 85 | 5 | The foe is hit with an intense flame. It may leave the target with a burn. |
| TM39 | Rock Tomb | ![]() | Physical | 50 | 80 | 10 | Boulders are hurled at the foe. It also lowers the foe’s SPEED if it hits. |
| TM41 | Torment | ![]() | Status | - | 100 | 15 | It enrages the foe, making it incapable of using the same move successively. |
| TM42 | Facade | ![]() | Physical | 70 | 100 | 20 | An attack that is boosted if user is burned, poisoned, or paralyzed. |
| TM43 | Secret Power | ![]() | Physical | 70 | 100 | 20 | An attack that may have an additional effect that varies with the terrain. |
| TM44 | Rest | ![]() | Status | - | - | 5 | The user sleeps for two turns to fully restore HP and heal any status problem. |
| TM45 | Attract | ![]() | Status | - | 100 | 15 | If it is the other gender, the foe is made infatuated and unlikely to attack. |
| TM46 | Thief | ![]() | Physical | 40 | 100 | 10 | An attack that may take the foe’s held item if the user isn’t holding one. |
| Class | Description | |||||
|---|---|---|---|---|---|---|
| Body Slam | ![]() | Physical | 85 | 100 | 15 | The user drops its full body on the foe. It may leave the foe paralyzed. |
| Explosion | ![]() | Physical | 250 | 100 | 5 | The user explodes to inflict terrible damage even while fainting itself. |
| Mimic | ![]() | Status | - | - | 10 | The user copies the move last used by the foe for the rest of the battle. |
| Substitute | ![]() | Status | - | - | 10 | The user creates a decoy using one- quarter of its full HP. |
Stench
Helps repel wild Pokémon.
Has a 10% chance of making target Pokémon flinch with each hit.
Sticky Hold
Prevents item theft.
Prevents a held item from being removed by other Pokémon.





















Physical
Status
Special







