Sprite

No. 0423 · Generation IV · Sinnoh

Gastrodon

The Sea Slug Pokémon

TL;DR. Gastrodon is a water/ground-type Pokémon from Generation IV. Base Stat Total: 475. It has a pliable body without any bones. If any part of its body is torn off, it grows right back.

Water Ground

It has a pliable body without any bones. If any part of its body is torn off, it grows right back.

Height0.9 m

Weight29.9 kg

AbilitiesSticky Hold, Storm Drain

HiddenSand Force

Base stats

Stat spread.

Total of 475. Higher peaks mean specialized roles, flat spreads favor versatility.

HP 111

Attack 83

Defense 68

Sp. Attack 92

Sp. Defense 82

Speed 39

Total475

475 base stat total, the 431st-highest of all 1025 Pokémon species and 89th among Water-types.

111 base HP, Gastrodon's strongest stat, ranking 14th of 220 Water-types.

Rankings computed across all 1025 base-species Pokémon (Mega and Gigantamax forms excluded). Source: National Pokédex base stats.

Pokémon GO

Gastrodon in Pokémon GO.

Pokémon GO uses its own hand-tuned base stats, distinct from the main-series spread above. At a perfect 15/15/15, Gastrodon reaches 2,324 CP at level 40 and 2,659 CP as a best buddy.

GO Attack169

GO Defense143

GO Stamina244

Max CP (L40)2,324

Max CP (L50)2,628

Best buddy (L51)2,659

Raid catch CP 1,259–1,328 (L20). Weather boosted 1,574–1,660 (L25).

Run the numbers: CP & HP calculator · PvP IV optimizer · Catch CP calculator

Competitive

Gastrodon in competitive play.

Gastrodon is a Generation 9 UU-tier pick in Smogon singles. In Pokémon GO it ranks #48 in the Great League.

Mixed Defense

Spikes / Earth Power / Sludge Bomb / Recover

ItemHeavy-Duty Boots
AbilityStorm Drain
NatureCalm
EVs252 HP / 156 Def / 100 SpD
TeraPoison, Fairy, Ghost

Defensive

Spikes / Earthquake / Ice Beam / Recover

ItemRocky Helmet
AbilitySticky Hold
NatureRelaxed
EVs252 HP / 252 Def / 4 SpD
TeraGhost, Poison

Pokémon GO Battle League

Great League #48 89.6 score

Ultra League #129 86.5 score

Build around it: GO PvP IV optimizer · Team builder · Ask Dia

Movesets via Smogon, GO ranks via PvPoke. Updated 2026-06-01.

Quick answers

Common questions about Gastrodon.

Direct, sourced answers to the most-asked questions about Gastrodon, each computed straight from its Pokédex data.

What type is Gastrodon?

Gastrodon is a Water/Ground-type Pokémon. Dual-typing stacks weaknesses and resistances. see the full matchup table below.

What is Gastrodon weak to?

Gastrodon takes 4× damage from Grass. its biggest defensive liability. It also takes 2× damage from no other types.

What is Gastrodon resistant to?

Gastrodon is immune to Electric. It also resists Fire, Poison, Rock, Steel.

How does Gastrodon evolve?

Gastrodon evolves from Shellos (Level 30). Gastrodon is the final form of its evolution line.

What generation is Gastrodon from?

Gastrodon was introduced in Generation IV (the Sinnoh region). Its Pokédex number is #0423.

What are Gastrodon's base stats?

Gastrodon has HP 111, Attack 83, Defense 68, Special Attack 92, Special Defense 82, and Speed 39. Total base stat total: 475.

What are Gastrodon's abilities?

Gastrodon can have the abilities Sticky Hold, Storm Drain, plus the Hidden Ability Sand Force.

Is Gastrodon legendary or mythical?

No. Gastrodon is a regular Pokémon, not classified as Legendary or Mythical.

What is Gastrodon's best stat?

Gastrodon's highest base stat is HP at 111, which ranks 14th of 220 Water-type Pokémon.

Is Gastrodon good?

Gastrodon has a base stat total of 475, the 431st-highest of all 1025 Pokémon species and 89th among Water-types. That is a modest total, typical of an unevolved or utility Pokémon.

See the full Q&A page for Gastrodon →

Sprites · Sound

Through the generations.

Gastrodon as drawn across two decades of Pokémon games, plus the modern Pokémon HOME render. Hit the cry button to hear it.

Gastrodon in HeartGold / SoulSilver — Gen IV HeartGold / SoulSilver

Gastrodon in Black / White — Gen V Black / White

Gastrodon in Ultra Sun / Ultra Moon — Gen VII Ultra Sun / Ultra Moon

Gastrodon 3D render in Pokémon HOME — HOME Modern 3D render

Type matchups

In battle.

Damage multipliers when Gastrodon is hit by each attacking type. 4× is two stacked weaknesses, ¼× is two stacked resistances.

4× Devastating

Grass

½× Resists

Fire Poison Rock Steel

0× Immune to

Electric

Comparison

Gastrodon vs. the average Water-type.

Each base stat measured against the mean across all 220 Water-type Pokémon.

Stat	Gastrodon	Water avg	Difference
HP	111	71	+40
Attack	83	77	+6
Defense	68	77	-9
Special Attack	92	67	+25
Special Defense	82	68	+14
Speed	39	64	-25
Total	475	424	+51

Ask Dia about Gastrodon Compare it, check weaknesses, or get a quick competitive verdict.

Game appearances

Gastrodon appears in 24 games.

Every mainline release where Gastrodon is obtainable, has a dex entry, or is transferable. Grouped by generation.

Gen IV

2007 Diamond
2007 Pearl
2009 Platinum
2010 HeartGold
2010 SoulSilver

Gen V

2011 Black
2011 White
2012 Black 2
2012 White 2

Gen VI

2013 X
2013 Y
2014 Alpha Sapphire
2014 Omega Ruby

Gen VII

2016 Moon
2016 Sun
2017 Ultra Moon
2017 Ultra Sun

Gen VIII

2019 Shield
2019 Sword
2022 Legends: Arceus

Gen IX

2022 Scarlet
2022 Violet
2026 Pokémon Pokopia

Side games + live service

2016 Pokémon GO

Pokémon Champions: Champions availability TBD . Full roster pending official reveal.

Where to find

Catch Gastrodon in the wild.

Main-series wild-encounter locations, grouped by game. 9 games have a known habitat.

Platinum

Canalave CityFuego IronworksPastoria CitySinnoh Route 205 South Towards Floaroma TownSinnoh Route 212 East Towards Pastoria CitySinnoh Route 213Sinnoh Route 218Sinnoh Route 224Valley Windworks

Diamond, Pearl

Fuego IronworksSinnoh Route 218Sinnoh Route 221Sinnoh Route 222Sinnoh Route 224Sinnoh Sea Route 230

Sun, Moon

Ancient Poni PathExeggutor IslandPoni Wilds

Ultra Sun, Ultra Moon

Ancient Poni PathExeggutor IslandPoni Breaker CoastPoni Wilds

X, Y

Friend Safari Ground

Pokémon anime