Mudkip is a Water-type Pokémon introduced in Generation III and the first stage of its evolution line, with a base stat total of 310.
Mudkip
Abilities
Base Stats
Mudkip's Weaknesses and Resistances
Evolution Chain
Mudkip evolves into Marshtomp at level 16, and Marshtomp evolves into Swampert at level 36.
Mudkip Playthrough, Competitive, and Nuzlocke Usage
Using Mudkip in a Playthrough
The Mudkip line is one of the most consistently effective starter families for an ordinary Hoenn playthrough because it combines strong bulk, powerful mixed offense, and an unusually favorable Water/Ground defensive typing from level 16 onward. Mudkip evolves into Marshtomp at level 16 and Swampert at level 36; once Ground typing is gained, the line becomes completely immune to Electric attacks and is left with only a single ordinary weakness - Grass, although Grass attacks deal quadruple damage. In Generation III, Water attacks use Swampert's respectable base 85 Special Attack while Ground moves such as Earthquake use its stronger base 110 Attack, giving it effective mixed STAB even before the physical/special split; later physical Water moves such as Waterfall align even more closely with its Attack. The Hoenn matchup spread is exceptionally favorable: Marshtomp's Ground typing turns Wattson's Electric Gym from a potential threat into a major advantage, while Water and Ground offense remain broadly useful against Fire-, Rock-, Steel-, Poison-, and other common opponents throughout the region. Mega Swampert increases Attack to 150 and both defenses to 110 while gaining Swift Swim, turning the normally slow bulky attacker into a devastating rain sweeper without changing its Water/Ground typing.
Mudkip in Competitive Pokémon
Swampert was immediately one of the premier defensive pivots of ADV OU, using Water/Ground typing, 100/90/90 bulk, base 110 Attack, and an Electric immunity to answer major physical threats such as Tyranitar, Metagross, Aerodactyl, Salamence, and Flygon. Its usefulness continued in DPP OU, where Stealth Rock gave it an additional team-support role and mixed attacks such as Hydro Pump, Earthquake or Earth Power, and Ice Beam made it difficult for common physical walls to switch in without consequence. Later generations eventually pushed standard Swampert into lower tiers, but it remained a valuable bulky pivot and hazard setter through tools such as Scald, Toxic, Yawn, Stealth Rock, and later Flip Turn. Mega Swampert created a completely different offensive identity: base 150 Attack, substantially improved bulk, and Swift Swim make it one of the premier physical sweepers on rain teams, where rain simultaneously doubles its Speed and strengthens Water STAB. The family has one famously exploitable weakness - Grass attacks deal quadruple damage - and standard Swampert lacks convenient reliable recovery, but its typing and stat distribution have given it one of the most durable competitive careers of any starter Pokemon.
Mudkip in Nuzlockes
The Mudkip line is one of the safest starter choices available for a Hoenn Nuzlocke because Marshtomp and Swampert combine strong HP and defenses with an Electric immunity and only one type weakness. Marshtomp arrives at level 16 before much of the game is complete, and its Ground typing is particularly valuable against Wattson, whose Electric attacks can become completely ineffective against it. Swampert's 100/90/90 defensive profile and strong mixed offense provide a large margin for error in neutral matchups, while Water and Ground STAB give it useful answers to a large portion of Hoenn's major opponents. The entire defensive plan has one critical exception: Grass attacks deal quadruple damage, so even an otherwise unimpressive opponent carrying Grass coverage can become immediately lethal and must be identified in advance. Outside that weakness, few starter families offer a better combination of encounter certainty, straightforward evolution, broad offensive relevance, and survivability, making the Mudkip line exceptionally well suited to permadeath play.
Learnsets
63 moves · Scarlet Violet
Level Up
Machine
Egg
Pokédex Entries
8 entries
The fin on MUDKIP’s head acts as highly sensitive radar. Using this fin to sense movements of water and air, this POKéMON can determine what is taking place around it without using its eyes.
In water, MUDKIP breathes using the gills on its cheeks. If it is faced with a tight situation in battle, this POKéMON will unleash its amazing power - it can crush rocks bigger than itself.
On land, it can powerfully lift large boulders by planting its four feet and heaving. It sleeps by burying itself in soil at the water’s edge.
Its large tail fin propels it through water with powerful acceleration. It is strong in spite of its size.
To alert it, the fin on its head senses the flow of water. It has the strength to heft boulders.
Its power can crush boulders. It rests by covering itself with mud at the bottom of a river.
The fin on Mudkip’s head acts as highly sensitive radar. Using this fin to sense movements of water and air, this Pokémon can determine what is taking place around it without using its eyes.
In water, Mudkip breathes using the gills on its cheeks. If it is faced with a tight situation in battle, this Pokémon will unleash its amazing power—it can crush rocks bigger than itself.
Where To Find Mudkip
2 locations
Route 101 · HoennGift · version details vary
Road 101
Saffron City · KantoGift · version details vary
Silph Co.
Additional Images
PokeAPI sprites
Open this section to load extra PokeAPI sprite images.
Mudkip Biology and Behavior
Mudkip is a small amphibious Pokemon whose large head fin functions as a sensory organ, detecting subtle changes in air and water currents and even helping it locate nearby bodies of water. Its tail fin generates powerful acceleration while swimming, while the surprisingly strong body can move or crush boulders far larger than Mudkip itself. Wild Mudkip inhabit swamps, riverbanks, and other wetlands and commonly sleep by burying themselves in mud at the water's edge or along the river bottom. The species is generally docile, and individuals visibly wag their large tail fins when happy.
Mudkip Biological Data
- National Pokédex
- #258
- Species
- Mud Fish Pokémon
- Height
- 1' 4" (0.4 m)
- Weight
- 16.8 lbs (7.6 kg)
- Habitat
- Waters Edge
- Color
- Blue
- Body Style
- Quadruped
- Gender
- 12.5% female / 87.5% male
Misc
Catch Rate: 45
Base Experience: 62 Exp
Hatch Counter: 20
Mudkip Size Comparison: BETA
Mudkip is listed at 1' 4" (0.4 m); this chart uses a pose-adjusted visual scale.

How is visual size determined?
Pokédex height is treated as the official listed measurement, but the chart uses pose-aware visual scaling so each sprite looks reasonable in a direct comparison.
For long or coiled Pokémon, the listed height may represent total body length rather than upright height. For Pokémon with floppy ears, leaves, feathers, antennae, wings, or other flexible features, the chart usually measures to the top of the solid, substantial part of the head or body instead of the tallest decorative feature.
The goal is not to replace the official height, but to make the artwork compare naturally at the size it appears to occupy.
Mudkip currently uses a pose-adjusted visual scale.

Mudkip 











