Gastrodon #0423

West Sea Gastrodon

Shellos (#0422)

The Sea Slug Pokémon

Ambipom (#0424)

Forms:

West Sea

East Sea

The data on this page are from Scarlet and Violet, the most recent appearance of West Sea Gastrodon. Use the left menu (blue tab) to see data from other games!

Typing	WaterGround
Abilities	Sticky Hold - Ability 1 Storm Drain - Ability 2 Sand Force - Hidden
Classification	The Sea Slug Pokémon
National ID	#0423

Type Effectiveness

Weak x4

Grass

Resists x½

Poison

Rock

Steel

Fire

Immune x0

Electric

View all Typings:

Official Artwork

Base Stats

Stat	Amount	Negative	Neutral	Positive
HP	111		171—218
Attack	83	79—121	88—135	96—148
Defense	68	65—108	73—120	80—132
Sp. Attack	92	87—129	97—144	106—158
Sp. Defense	82	78—120	87—134	95—147
Speed	39	39—81	44—91	48—100
Total	475	Calculated Stat Range Based on Nature

Calculated stats: Lv. 50

Lv. 100

Evolutionary Family

At Level 30

Breeding and Species Information

Egg Group(s)	Water 1 Amorphous
Egg Cycles	20
Egg Steps	5120 - Generations II, III, and VII 5100 - Generations IV 5140 - Generations V and VI 5100 - Brilliant Diamond and Shining Pearl 2560 - Sword, Shield, Scarlet, and Violet
Gender Ratio	50.00% 50.00%
Height	0.9 m (2'11")
Weight	29.9 kg (65.9 lbs.)

Battle Information

EV Yield	2 HP
Base Exp. Yield	166
Catch Rate	75
Catch Chance	~17.52% Success (Poké Ball, Lvl. 50, Full HP)
Exp. Growth Rate	Medium Fast
Base Friendship	50

Learnset via Level-up

The following moves are learned by West Sea Gastrodon via level-up in Pokémon Scarlet and Violet:

Level	Name	Power	Acc.	Type	Cat.
1	Harden	—	—	Normal	Stat.
1	Mud-Slap	20	100	Ground	Spec.
1	Water Gun	40	100	Water	Spec.
1	Recover	—	—	Normal	Stat.
15	Water Pulse	60	100	Water	Spec.
20	Ancient Power	60	100	Rock	Spec.
25	Body Slam	85	100	Normal	Phys.
33	Muddy Water	90	85	Water	Spec.
39	Earth Power	90	100	Ground	Spec.
46	Rain Dance	—	—	Water	Stat.
53	Memento	—	100	Dark	Stat.

Egg Moves

The following moves are learned by West Sea Gastrodon as Egg Moves in Pokémon Scarlet and Violet:

Name	Power	Acc.	Type	Cat.
Counter	1	100	Fighting	Phys.
Mist	—	—	Ice	Stat.
Acid Armor	—	—	Poison	Stat.
Curse	—	—	Ghost	Stat.
Stockpile	—	—	Normal	Stat.
Yawn	—	—	Normal	Stat.
Spit Up	1	100	Normal	Spec.
Sludge	65	100	Poison	Spec.
Mirror Coat	1	100	Psychic	Spec.
Swallow	—	—	Normal	Stat.
Clear Smog	50	—	Poison	Spec.

Learnset via TM

The following moves are learned by West Sea Gastrodon via TM in Pokémon Scarlet and Violet:

TM	Name	Power	Acc.	Type	Cat.
TM001	Take Down	90	85	Normal	Phys.
TM005	Mud-Slap	20	100	Ground	Spec.
TM007	Protect	—	—	Normal	Stat.
TM011	Water Pulse	60	100	Water	Spec.
TM022	Chilling Water	50	100	Water	Spec.
TM025	Facade	70	100	Normal	Phys.
TM028	Bulldoze	60	100	Ground	Phys.
TM034	Icy Wind	55	95	Ice	Spec.
TM035	Mud Shot	55	95	Ground	Spec.
TM036	Rock Tomb	60	95	Rock	Phys.
TM047	Endure	—	—	Normal	Stat.
TM050	Rain Dance	—	—	Water	Stat.
TM051	Sandstorm	—	—	Rock	Stat.
TM052	Snowscape	—	—	Ice	Stat.
TM055	Dig	80	100	Ground	Phys.
TM066	Body Slam	85	100	Normal	Phys.
TM070	Sleep Talk	—	—	Normal	Stat.
TM076	Rock Blast	25	90	Rock	Phys.
TM077	Waterfall	80	100	Water	Phys.
TM084	Stomping Tantrum	75	100	Ground	Phys.
TM085	Rest	—	—	Psychic	Stat.
TM086	Rock Slide	75	90	Rock	Phys.
TM090	Spikes	—	—	Ground	Stat.
TM103	Substitute	—	—	Normal	Stat.
TM110	Liquidation	85	100	Water	Phys.
TM116	Stealth Rock	—	—	Rock	Stat.
TM123	Surf	90	100	Water	Spec.
TM128	Amnesia	—	—	Psychic	Stat.
TM130	Helping Hand	—	—	Normal	Stat.
TM133	Earth Power	90	100	Ground	Spec.
TM135	Ice Beam	90	100	Ice	Spec.
TM142	Hydro Pump	110	80	Water	Spec.
TM143	Blizzard	110	70	Ice	Spec.
TM148	Sludge Bomb	90	100	Poison	Spec.
TM149	Earthquake	100	100	Ground	Phys.
TM150	Stone Edge	100	80	Rock	Phys.
TM152	Giga Impact	150	90	Normal	Phys.
TM163	Hyper Beam	150	90	Normal	Spec.
TM171	Tera Blast	80	100	Normal	Spec.
TM176	Sand Tomb	35	85	Ground	Phys.
TM193	Weather Ball	50	100	Normal	Spec.
TM202	Pain Split	—	—	Normal	Stat.
TM208	Whirlpool	35	85	Water	Spec.
TM209	Muddy Water	90	85	Water	Spec.
TM214	Sludge Wave	95	100	Poison	Spec.
TM219	Skitter Smack	70	90	Bug	Phys.
TM224	Curse	—	—	Ghost	Stat.

How to Obtain

Available In

Generation IV

Diamond

Legends: Arceus

Catchable

Generation IX

Scarlet

Catchable

Violet

Catchable

What does each category mean?

Catchable Can be caught in the base game without special requirements. It spawns somewhere in game.

Obtainable Available only through an in-game gift, such as a starter or in-game trade with an NPC.

Evolve Only available through evolution. A pre-evolution is available for catching or obtaining.

Event Only available through some sort of event or distribution.

Transfer Exists within the game's data, but can only be obtained via a trade with another player (version exclusive) or transfer through another means like Pokémon HOME.

In-Game Images

Standard Sprites

Main Sprite

Shiny Sprites

Main Sprite

Shellos (#0422)

Ambipom (#0424)