Gastrodon #0423

West Sea Gastrodon

The Sea Slug Pokémon

Forms:

Typing	WaterGround
Abilities	Sticky Hold - Ability 1 Storm Drain - Ability 2
Classification	The Sea Slug Pokémon
National ID	#0423
How to get	Evolves from Shellos at level 30

Type Effectiveness

Weak x4

Grass

Resists x½

PoisonRockSteelFire

Immune x0

Electric

View all Typings:

Sprite and Official Artwork

Gastrodon West Sea (gastrodon) game sprite

Base Stats

Stat	Amount	Stat Range
HP	111	171—218
Attack	83	79—148
Defense	68	65—132
Sp. Attack	92	87—158
Sp. Defense	82	78—147
Speed	39	39—100
Total	475	Calculated Stat Range

Calculated stats: Lv. 50

Lv. 100Nature details:

Evolutionary Family

At Level 30

Where to Find

Evolve it from an earlier stage.

Trade from Platinum, Diamond & Pearl

Breeding and Species Information

Egg Group(s)	Water 1 Amorphous
Egg Cycles	20
Egg Steps	5100
Gender Ratio	50.39%49.61%
Height	0.9 m (2'11")
Weight	29.9 kg (65.9 lbs.)

Battle Information

EV Yield	2 HP
Base Exp. Yield	176
Catch Rate	75
Catch Chance	~10.66% Success (Poké Ball, Lvl. 50, Full HP)
Exp. Growth Rate	Medium Fast
Base Friendship	70

Learnset

Level-up Pre-evo Tutor TM HM

Learnset via Level-up

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

Level	Name	Power	Acc.	Type	Cat.
1	Harden	—	—	Normal	Stat.
1	Mud Sport	—	—	Ground	Stat.
1	Mud-Slap	20	100	Ground	Spec.
1	Water Pulse	60	100	Water	Spec.
2	Mud Sport	—	—	Ground	Stat.
4	Harden	—	—	Normal	Stat.
7	Water Pulse	60	100	Water	Spec.
11	Mud Bomb	65	85	Ground	Spec.
16	Hidden Power	1	100	Normal	Spec.
22	Rain Dance	—	—	Water	Stat.
29	Body Slam	85	100	Normal	Phys.
41	Muddy Water	95	85	Water	Spec.
54	Recover	—	—	Normal	Stat.

Pre-evolution Moves

The following moves are learned by West Sea Gastrodon via a pre-evolution:

Name	Power	Acc.	Type	Cat.
Amnesia (West Sea)Egg	—	—	Psychic	Stat.
Counter (West Sea)Egg	1	100	Fighting	Phys.
Curse (West Sea)Egg	—	—	???	Stat.
Fissure (West Sea)Egg	1	30	Ground	Phys.
Memento (West Sea)Egg	—	100	Dark	Stat.
Mirror Coat (West Sea)Egg	1	100	Psychic	Spec.
Sludge (West Sea)Egg	65	100	Poison	Spec.
Spit Up (West Sea)Egg	1	100	Normal	Spec.
Stockpile (West Sea)Egg	—	—	Normal	Stat.
Swallow (West Sea)Egg	—	—	Normal	Stat.
Trump Card (West Sea)Egg	1	—	Normal	Spec.
Yawn (West Sea)Egg	—	—	Normal	Stat.

Tutor Moves

The following moves are learned by West Sea Gastrodon as Tutor Moves in Pokémon HeartGold and SoulSilver:

Name	Power	Acc.	Type	Cat.
Ancient Power	60	100	Rock	Spec.
Block	—	—	Normal	Stat.
Dive	80	100	Water	Phys.
Earth Power	90	100	Ground	Spec.
Headbutt	70	100	Normal	Phys.
Icy Wind	55	95	Ice	Spec.
Mud-Slap	20	100	Ground	Spec.
Pain Split	—	—	Normal	Stat.
Snore	40	100	Normal	Spec.
String Shot	—	95	Bug	Stat.

Tutor moves can only be learned by visiting a special Move Tutor.

Learnset via TM

The following moves are learned by West Sea Gastrodon via TM in Pokémon HeartGold and SoulSilver:

TM	Name	Power	Acc.	Type	Cat.
TM003	Water Pulse	60	100	Water	Spec.
TM006	Toxic	—	85	Poison	Stat.
TM007	Hail	—	—	Ice	Stat.
TM010	Hidden Power	1	100	Normal	Spec.
TM013	Ice Beam	95	100	Ice	Spec.
TM014	Blizzard	120	70	Ice	Spec.
TM015	Hyper Beam	150	90	Normal	Spec.
TM017	Protect	—	—	Normal	Stat.
TM018	Rain Dance	—	—	Water	Stat.
TM021	Frustration	1	100	Normal	Phys.
TM026	Earthquake	100	100	Ground	Phys.
TM027	Return	1	100	Normal	Phys.
TM028	Dig	80	100	Ground	Phys.
TM032	Double Team	—	—	Normal	Stat.
TM036	Sludge Bomb	90	100	Poison	Spec.
TM037	Sandstorm	—	—	Rock	Stat.
TM039	Rock Tomb	50	80	Rock	Phys.
TM042	Facade	70	100	Normal	Phys.
TM043	Secret Power	70	100	Normal	Phys.
TM044	Rest	—	—	Psychic	Stat.
TM045	Attract	—	100	Normal	Stat.
TM055	Brine	65	100	Water	Spec.
TM058	Endure	—	—	Normal	Stat.
TM068	Giga Impact	150	90	Normal	Phys.
TM070	Flash	—	100	Normal	Stat.
TM071	Stone Edge	100	80	Rock	Phys.
TM078	Captivate	—	100	Normal	Stat.
TM080	Rock Slide	75	90	Rock	Phys.
TM082	Sleep Talk	—	—	Normal	Stat.
TM083	Natural Gift	1	100	Normal	Phys.
TM087	Swagger	—	90	Normal	Stat.
TM090	Substitute	—	—	Normal	Stat.

Learnset via HM

The following moves are learned by West Sea Gastrodon via HM in Pokémon HeartGold and SoulSilver:

TM	Name	Power	Acc.	Type	Cat.
HM03	Surf	95	100	Water	Spec.
HM04	Strength	80	100	Normal	Phys.
HM05	Whirlpool	15	70	Water	Spec.
HM06	Rock Smash	40	100	Fighting	Phys.
HM07	Waterfall	80	100	Water	Phys.

In-Game Images

Standard Sprites

Main Sprite
Back Sprite

Shiny Sprites

Main Sprite
Back Sprite

Shellos(#0422)

Drifloon(#0425)

Legends: Z-A

Scarlet and Violet

Other Games

Catch Calculators

Shiny Rates

Shiny Hunting Tools