Gastrodon #0423

West Sea Gastrodon

The Sea Slug Pokémon

The data on this page is from the Pokémon HeartGold & SoulSilver RotomLabs Pokédex. See all available Pokémon in HeartGold & SoulSilver here. Or, check out this Pokémon's data from the most recent games.

Forms:

West Sea

East Sea

Typing	WaterGround
Abilities	Sticky Hold - Ability 1 Storm Drain - Ability 2
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:

Sprite and Official Artwork

Gastrodon West Sea (gastrodon) game sprite

Gastrodon West Sea (gastrodon) 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	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	~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 HeartGold and SoulSilver:

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

Egg Moves

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

Name	Power	Acc.	Type	Cat.
Spit Up	1	100	Normal	Spec.
Memento	—	100	Dark	Stat.
Fissure	1	30	Ground	Phys.
Trump Card	1	—	Normal	Spec.
Mirror Coat	1	100	Psychic	Spec.
Yawn	—	—	Normal	Stat.
Stockpile	—	—	Normal	Stat.
Curse	—	—	???	Stat.
Counter	1	100	Fighting	Phys.
Sludge	65	100	Poison	Spec.
Amnesia	—	—	Psychic	Stat.
Swallow	—	—	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.
String Shot	—	95	Bug	Stat.
Dive	80	100	Water	Phys.
Headbutt	70	100	Normal	Phys.
Earth Power	90	100	Ground	Spec.
Pain Split	—	—	Normal	Stat.
Mud-Slap	20	100	Ground	Spec.
Icy Wind	55	95	Ice	Spec.
Snore	40	100	Normal	Spec.
Ancient Power	60	100	Rock	Spec.
Block	—	—	Normal	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.
TM010	Hidden Power	1	100	Normal	Spec.
TM071	Stone Edge	100	80	Rock	Phys.
TM068	Giga Impact	150	90	Normal	Phys.
TM003	Water Pulse	60	100	Water	Spec.
TM078	Captivate	—	100	Normal	Stat.
TM039	Rock Tomb	50	80	Rock	Phys.
TM021	Frustration	1	100	Normal	Phys.
TM042	Facade	70	100	Normal	Phys.
TM013	Ice Beam	95	100	Ice	Spec.
TM007	Hail	—	—	Ice	Stat.
TM044	Rest	—	—	Psychic	Stat.
TM080	Rock Slide	75	90	Rock	Phys.
TM087	Swagger	—	90	Normal	Stat.
TM058	Endure	—	—	Normal	Stat.
TM055	Brine	65	100	Water	Spec.
TM027	Return	1	100	Normal	Phys.
TM090	Substitute	—	—	Normal	Stat.
TM045	Attract	—	100	Normal	Stat.
TM026	Earthquake	100	100	Ground	Phys.
TM032	Double Team	—	—	Normal	Stat.
TM028	Dig	80	100	Ground	Phys.
TM036	Sludge Bomb	90	100	Poison	Spec.
TM006	Toxic	—	85	Poison	Stat.
TM014	Blizzard	120	70	Ice	Spec.
TM083	Natural Gift	1	100	Normal	Phys.
TM082	Sleep Talk	—	—	Normal	Stat.
TM015	Hyper Beam	150	90	Normal	Spec.
TM017	Protect	—	—	Normal	Stat.
TM043	Secret Power	70	100	Normal	Phys.
TM018	Rain Dance	—	—	Water	Stat.
TM070	Flash	—	100	Normal	Stat.
TM037	Sandstorm	—	—	Rock	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.
HM06	Rock Smash	40	100	Fighting	Phys.
HM04	Strength	80	100	Normal	Phys.
HM07	Waterfall	80	100	Water	Phys.
HM05	Whirlpool	15	70	Water	Spec.