#0423

Gastrodon

Sea Slug Pokémon

Eats beach sand for nourishment. Should one Gastrodon encounter another of a different color, a fierce battle will inevitably ensue.

2 TCG Pocket cards

Details

Height0.9 m

Weight29.9 kg

Gender50.0% ♂ · 50.0% ♀

Catch rate75(17.5%)Tricky

Base friendship70Standard

Hatch time20 cycles · ~5,355 steps

Growth ratemedium

Base EXP166

Abilities

Sticky Hold

Prevents a held item from being removed by other Pokémon.

Storm Drain

Redirects single-target Water moves to this Pokémon where possible. Absorbs Water moves, raising Special Attack one stage.

Sand ForceHidden

Strengthens Rock, Ground, and Steel moves to 1.3× their power during a sandstorm. Protects against sandstorm damage.

Egg groups: Water 1, Amorphous

Contents

Stats
Movesets
Locations
Evolution
Best moves
Moves
Sprites

Base stats

111

Attack

Defense

Sp. Atk

Sp. Def

Speed

Total

475

Base Stat Total

Type defenses

Damage taken from each attacking type.

Competitive movesets

Smogon University

Battle-ready sets by tier, straight from Smogon. Pick a generation and format — a “/” means either option works in that slot.

Generation

Mixed Defense

Moves

Item

Heavy-Duty Boots / Leftovers

AbilityStorm Drain

NatureCalm+SpD/−Atk

TeraPoisonFairyGhost

EV spread

HP252

Def156

SpD▲100

Source: Smogon (via pkmn) · Data snapshot: Jul 31, 2026 · 18,880 rows

Where to find Gastrodon

Wild encounter locations across the games. Availability may also include trades, evolution, gifts, and events not listed here.

Evolution

#0422Shellos

Lv. 30

#0423Gastrodon

All Pokémon evolution families

Notable moves

The strongest damaging moves Gastrodon can learn — same-type (STAB) moves get a 1.5× power bonus in battle.

Moves

Lv.	Move & effect	Type	Class	Power	Acc.	PP
1	Harden Raises the user’s Defense by one stage.	Normal	Status	—	—	30
1	Mud Sport Halves all Electric-type damage.	Ground	Status	—	—	15
1	Mud-Slap Has a chance to lower the target’s accuracy by one stage.	Ground	Special	20	100	10
1	Recover Heals the user by half its max HP.	Normal	Status	—	—	5
1	Water Gun Inflicts regular damage with no additional effect.	Water	Special	40	100	25
5	Tackle Inflicts regular damage with no additional effect.	Normal	Physical	40	100	35
15	Water Pulse Has a chance to confuse the target.	Water	Special	60	100	20
16	Hidden Power Power and type depend upon user’s IVs. Power can range from 30 to 70.	Normal	Special	60	100	15
20	Ancient Power Has a chance to raise all of the user’s stats by one stage.	Rock	Special	60	100	5
21	Mud Bomb Has a chance to lower the target’s accuracy by one stage.	Ground	Special	65	85	10
25	Body Slam Has a chance to paralyze the target.	Normal	Physical	85	100	15
33	Muddy Water Has a chance to lower the target’s accuracy by one stage.	Water	Special	90	85	10
39	Earth Power Has a chance to lower the target’s Special Defense by one stage.	Ground	Special	90	100	10
46	Rain Dance Changes the weather to rain for five turns.	Water	Status	—	—	5
47	Hydro Pump Inflicts regular damage with no additional effect.	Water	Special	110	80	5
53	Memento Lowers the target’s Attack and Special Attack by two stages. User faints.	Dark	Status	—	100	10