Pokémon GO · #258 · Water
Mudkip in Pokémon GO
Mudkip (#258) is a Water-type Pokémon. In Pokémon GO its max CP is 1,275 at level 50, 1,128 at level 40 and 1,290 as a best buddy at level 51. Its highest-damage moveset is Tackle with Stomp. It takes extra damage from Electric and Grass attacks.
| Type | Water |
|---|---|
| Pokédex number | #258 |
| Base Attack / Defense / Stamina | 126 / 93 / 137 |
| Max CP, level 40 / 50 / 51 | 1,128 / 1,275 / 1,290 |
| Max HP, level 50 | 127 |
| Buddy distance | 3 km per Candy |
| Second Charged Attack | 10,000 Stardust and 25 Candy |
| Height / weight | 0.41 m / 7.6 kg |
Mudkip evolution
Pokémon GO has no evolution levels: a Pokémon evolves when you spend Candy on it (sometimes with an item or a task), at any level.
Mudkip evolves into Marshtomp for 25 Mudkip Candy.
Family: Mudkip · Marshtomp · Swampert
Mudkip CP by level
Combat Power with perfect stats (15/15/15) and with 10/10/10. Players find that raid, egg and research catches never have a stat below 10; that floor is their measurement, not a number in the game data.
| Level | CP 15/15/15 | CP 10/10/10 | HP 15/15/15 | Note |
|---|---|---|---|---|
| 15 | 483 | 447 | 78 | research rewards are at most level 15 (game master) |
| 20 | 644 | 597 | 90 | eggs hatch at most level 20 (game master); raid catches are level 20 (players’ measurement) |
| 25 | 805 | 746 | 101 | raid catches in weather that boosts the boss’s type are level 25 (players’ measurement) |
| 30 | 967 | 895 | 111 | wild Pokémon are at most level 30 (game master) |
| 35 | 1,047 | 970 | 115 | |
| 40 | 1,128 | 1,045 | 120 | |
| 45 | 1,200 | 1,112 | 123 | |
| 50 | 1,275 | 1,181 | 127 | |
| 51 | 1,290 | 1,195 | 128 | best buddy bonus on a level 50 Pokémon |
Mudkip best moveset
Ranked by damage per second over one cycle of fast attacks and one charged attack. Assumptions: Mudkip at level 40 with 15/15/15, a target with 180 Defense taking neutral damage, no weather boost, and the energy Mudkip gains from being hit left out.
| Fast attack | Charged attack | Damage per second | |
|---|---|---|---|
| Tackle | Stomp | 5.5 | |
| Water Gun | Stomp | 5.5 | |
| Tackle | Sludge | 5.5 | |
| Water Gun | Sludge | 5.5 | |
| Tackle | Dig | 5.4 |
Fast attacks
| Move | Type | Power | Energy | Time | Power / s | |
|---|---|---|---|---|---|---|
| Tackle | Normal | 5 | 5 | 0.5 s | 10.0 | |
| Water Gun | Water | 5 | 5 | 0.5 s | 10.0 | same type, ×1.2 |
Charged attacks
| Move | Type | Power | Energy cost | Time | Power / s | |
|---|---|---|---|---|---|---|
| Dig | Ground | 100 | 50 | 4.5 s | 22.2 | |
| Sludge | Poison | 50 | 33 | 2 s | 25.0 | |
| Stomp | Normal | 50 | 50 | 1.5 s | 33.3 |
Mudkip weaknesses and resistances
Damage multipliers for each attack type against Water. Pokémon GO uses ×1.6 for super effective and ×0.625 for not very effective, multiplied for two types.
| Attack type | Damage |
|---|---|
| Electric | ×1.6 |
| Grass | ×1.6 |
| Fire | ×0.625 |
| Ice | ×0.625 |
| Steel | ×0.625 |
| Water | ×0.625 |
Mudkip CP calculator
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Sources: stats, moves, evolution costs and the CP multiplier for each level are from the Pokémon GO game master as published by PokeMiners (commit 8e227be, data of 28 August 2026). Which Pokémon are in the game: pogoapi.net (list of 31 January 2026). CP = ⌊(Attack+IV) × √(Defense+IV) × √(Stamina+IV) × CPM² / 10⌋, checked against pogoapi.net’s max CP table for 888 Pokémon. Raid catch levels and the 10/10/10 floor are players’ measurements; they are not in the game data. Pokémon and Pokémon GO are trademarks of their owners; this page is not affiliated with or endorsed by Niantic, Scopely, Nintendo, Creatures, GAME FREAK or The Pokémon Company.