Generation 1 · Pokédex profile
Sludge Pokémon
Pokédex entry
It prefers warm and humid habitats. In the summertime, the toxic substances in its body intensify, making Muk reek like putrid kitchen garbage.
Battle data
Pokédex entry
While it's unexpectedly quiet and friendly, if it's not fed any trash for a while,, it will smash its Trainer's furnishings, and eat up the fragments.
Battle data
Conditional evolutions can require additional game-specific prerequisites beyond the displayed method.
| Method | Location | Level | Evidence |
|---|---|---|---|
| Grass / ground | Pokemon Mansion 1f | Lv. 32 | Source-indexed, not individually verified |
| Grass / ground | Pokemon Mansion 2f | Lv. 32 | Source-indexed, not individually verified |
| Grass / ground | Pokemon Mansion 3f | Lv. 32 | Source-indexed, not individually verified |
| Grass / ground | Pokemon Mansion B1f | Lv. 34 | Source-indexed, not individually verified |
Rare grass and Surfing encounters inherit the first native slot's level range. Supplemental fishing follows each rod's native slots. These ranges exclude Lure effects and randomizer replacements; eligibility restrictions still apply.
Data source: configured Grand Anthology Gen 1–9 species, forms and abilities. The website uses frame-cropped copies of the game's existing Pokémon sprites, which remain franchise/artist-owned assets. Some alternate forms use labeled default-form artwork when their individual sprite is unavailable. See acknowledgments for credits.