Gastrodon

Gastrodon is a Water/Ground type Pokémon introduced in Generation 4. It is known as the Sea Slug Pokémon.

Gastrodon artwork by Ken Sugimori

Pokédex data

National № 423
Type Water Ground
Species Sea Slug Pokémon
Height 2′11″ (0.9 m)
Weight 65.9 lbs (29.9 kg)
Abilities Sticky Hold
Storm Drain
Sand Force (hidden ability)
Local № 061 (Diamond/Pearl)
061 (Platinum)
261 (Sun/Moon)
342 (Ultra Sun/Ultra Moon)
089 (Ultra Sun/Ultra Moon)
Japanese Toritodon

Training

EV yield 2 HP
Catch rate 75 (9.8% with PokéBall, full HP)
Base Happiness 70 (normal)
Base EXP 176
Growth Rate Medium Fast

Breeding

Egg Groups Amorphous, Water 1
Gender 50% male, 50% female
Egg cycles 20 (base 5,120 steps)

Base stats

HP 111
332 426
Attack 83
153 291
Defense 68
126 258
Sp. Atk 92
170 311
Sp. Def 82
152 289
Speed 39
74 194
Total 475 Min Max

The ranges shown on the right are for a level 100 Pokémon. Maximum values are based on a beneficial nature, 252 EVs, 31 IVs; minimum values are based on a hindering nature, 0 EVs, 0 IVs.

Pokédex entries

Diamond It has a pliable body without any bones. If any part of its body is torn off, it grows right back.
Pearl It apparently had a huge shell for protection in ancient times. It lives in shallow tidal pools.
Platinum Long ago, its entire back was shielded with a sturdy shell. There are traces of it left in its cells.
HeartGold
SoulSilver
When its natural enemy attacks, it oozes purple fluid and escapes.
Black
White
Black 2
White 2
Long ago, its entire back was shielded with a sturdy shell. There are traces of it left in its cells.
X
Omega Ruby
When its natural enemy attacks, it oozes purple fluid and escapes.
Y
Alpha Sapphire
It apparently had a huge shell for protection in ancient times. It lives in shallow tidal pools.
Sun It has strong regenerative capabilities. Even if parts of it are bitten off by fish Pokémon, it will return to normal within a few hours.
Moon Plankton, invisible to the naked eye, is its main food source. It comes onto the land periodically, but the reason for this is not known.
Ultra Sun Long ago, it had a shell on its back. There’s now a vestigial plate on its back that’s hard but thin.
Ultra Moon Their shape and color change, depending on their environment and diet. There are many of them at beaches where the waves are calm.

Evolution chart

(Level 30)

Name origin

gastropod
set of creatures including snails, whelks and slugs
don
of great size/importance; lord or master

Moves learned by Gastrodon

Moves learnt by level up

Gastrodon learns the following moves in Pokémon Ultra Sun & Ultra Moon at the levels specified.

Lv.
Move
Type
Cat.
Power
Acc.
1HardenNormal
1Mud-SlapGround 20 100
1Mud SportGround
1Water PulseWater 60 100
2Mud SportGround
4HardenNormal
7Water PulseWater 60 100
11Mud BombGround 65 85
16Hidden PowerNormal 60 100
22Rain DanceWater
29Body SlamNormal 85 100
41Muddy WaterWater 90 85
54RecoverNormal

Egg moves

Gastrodon learns the following moves via breeding in Pokémon Ultra Sun & Ultra Moon. Details and compatible parents can be found on the Gastrodon egg moves page.

Move
Type
Cat.
Power
Acc.
Acid ArmorPoison
AmnesiaPsychic
BrineWater 65 100
Clear SmogPoison 50
CounterFighting 100
CurseGhost
FissureGround
MementoDark 100
Mirror CoatPsychic 100
MistIce
SludgePoison 65 100
Spit UpNormal 100
StockpileNormal
SwallowNormal
Trump CardNormal
YawnNormal

Move Tutor moves

Gastrodon can be taught these attacks in Pokémon Ultra Sun & Ultra Moon from move tutors (details):

Move
Type
Cat.
Power
Acc.
BlockNormal
Earth PowerGround 90 100
Icy WindIce 55 95
Pain SplitNormal
SnoreNormal 50 100
Stomping TantrumGround 75 100
Water PulseWater 60 100

Moves learnt by TM

Gastrodon is compatible with these Technical Machines in Pokémon Ultra Sun & Ultra Moon:

TM
Move
Type
Cat.
Power
Acc.
6ToxicPoison 90
7HailIce
10Hidden PowerNormal 60 100
13Ice BeamIce 90 100
14BlizzardIce 110 70
15Hyper BeamNormal 150 90
17ProtectNormal
18Rain DanceWater
21FrustrationNormal 100
26EarthquakeGround 100 100
27ReturnNormal 100
32Double TeamNormal
34Sludge WavePoison 95 100
36Sludge BombPoison 90 100
37SandstormRock
39Rock TombRock 60 95
42FacadeNormal 70 100
44RestPsychic
45AttractNormal 100
48RoundNormal 60 100
55ScaldWater 80 100
68Giga ImpactNormal 150 90
71Stone EdgeRock 100 80
78BulldozeGround 60 100
80Rock SlideRock 75 90
83InfestationBug 20 100
87SwaggerNormal 85
88Sleep TalkNormal
90SubstituteNormal
94SurfWater 90 100
98WaterfallWater 80 100
100ConfideNormal

Transfer-only moves

Gastrodon can only learn these moves in previous generations. It must be taught the moves in the appropriate game and then transferred to Pokémon Ultra Sun & Ultra Moon.

Move
Type
Cat.
Power
Acc.
Method
CaptivateNormal 100 Generation 4 — TM
EndureNormal Generation 4 — TM
Natural GiftNormal 100 Generation 4 — TM
WhirlpoolWater 35 85 Generation 4 — HM
Ancient PowerRock 60 100 Generation 4 — Move tutor
HeadbuttNormal 70 100 Generation 4 — Move tutor
String ShotBug 95 Generation 4 — Move tutor
DigGround 80 100 Generation 6 — TM
FlashNormal 100 Generation 6 — TM
Rock SmashFighting 40 100 Generation 6 — TM
Secret PowerNormal 70 100 Generation 6 — TM
DiveWater 80 100 Generation 6 — HM
StrengthNormal 80 100 Generation 6 — HM

Moves learnt by level up

Gastrodon learns the following moves in Pokémon Sun & Moon at the levels specified.

Lv.
Move
Type
Cat.
Power
Acc.
1HardenNormal
1Mud-SlapGround 20 100
1Mud SportGround
1Water PulseWater 60 100
2Mud SportGround
4HardenNormal
7Water PulseWater 60 100
11Mud BombGround 65 85
16Hidden PowerNormal 60 100
22Rain DanceWater
29Body SlamNormal 85 100
41Muddy WaterWater 90 85
54RecoverNormal

Egg moves

Gastrodon learns the following moves via breeding in Pokémon Sun & Moon. Details and compatible parents can be found on the Gastrodon egg moves page.

Move
Type
Cat.
Power
Acc.
Acid ArmorPoison
AmnesiaPsychic
BrineWater 65 100
Clear SmogPoison 50
CounterFighting 100
CurseGhost
FissureGround
MementoDark 100
Mirror CoatPsychic 100
MistIce
SludgePoison 65 100
Spit UpNormal 100
StockpileNormal
SwallowNormal
Trump CardNormal
YawnNormal

Moves learnt by TM

Gastrodon is compatible with these Technical Machines in Pokémon Sun & Moon:

TM
Move
Type
Cat.
Power
Acc.
6ToxicPoison 90
7HailIce
10Hidden PowerNormal 60 100
13Ice BeamIce 90 100
14BlizzardIce 110 70
15Hyper BeamNormal 150 90
17ProtectNormal
18Rain DanceWater
21FrustrationNormal 100
26EarthquakeGround 100 100
27ReturnNormal 100
32Double TeamNormal
34Sludge WavePoison 95 100
36Sludge BombPoison 90 100
37SandstormRock
39Rock TombRock 60 95
42FacadeNormal 70 100
44RestPsychic
45AttractNormal 100
48RoundNormal 60 100
55ScaldWater 80 100
68Giga ImpactNormal 150 90
71Stone EdgeRock 100 80
78BulldozeGround 60 100
80Rock SlideRock 75 90
83InfestationBug 20 100
87SwaggerNormal 85
88Sleep TalkNormal
90SubstituteNormal
94SurfWater 90 100
98WaterfallWater 80 100
100ConfideNormal

Transfer-only moves

Gastrodon can only learn these moves in previous generations. It must be taught the moves in the appropriate game and then transferred to Pokémon Sun & Moon.

Move
Type
Cat.
Power
Acc.
Method
CaptivateNormal 100 Generation 4 — TM
EndureNormal Generation 4 — TM
Natural GiftNormal 100 Generation 4 — TM
WhirlpoolWater 35 85 Generation 4 — HM
Ancient PowerRock 60 100 Generation 4 — Move tutor
HeadbuttNormal 70 100 Generation 4 — Move tutor
String ShotBug 95 Generation 4 — Move tutor
DigGround 80 100 Generation 6 — TM
FlashNormal 100 Generation 6 — TM
Rock SmashFighting 40 100 Generation 6 — TM
Secret PowerNormal 70 100 Generation 6 — TM
DiveWater 80 100 Generation 6 — HM
StrengthNormal 80 100 Generation 6 — HM

Gastrodon sprites

Type Generation 4 Generation 5 Generation 6 Generation 7
Normal Gastrodon  sprite from Diamond & Pearl Gastrodon  sprite from Black & White Gastrodon  sprite from X & Y
Shiny Gastrodon Shiny sprite from Diamond & Pearl Gastrodon Shiny sprite from Black & White Gastrodon Shiny sprite from X & Y

Where to find Gastrodon

Diamond
Pearl
Route 218, 221, 222, 224, 230, Fuego Ironworks
Platinum Route 205, 212, 213, 218, 224, Canalave City, Fuego Ironworks, Pastoria City, Valley Windworks
HeartGold
SoulSilver
Trade/migrate from another game
Black
White
Black 2
White 2
Trade/migrate from another game
X
Y
Trade/migrate from another game
Omega Ruby
Alpha Sapphire
Evolve Shellos
Sun
Moon
Poni Wilds, Ancient Poni Path, Exeggutor Island
Ultra Sun
Ultra Moon
Poni Wilds, Ancient Poni Path, Poni Breaker Coast, Exeggutor Island