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Brilliant Diamond and Shining Pearl

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Gastrodon

#61 in the Brilliant Diamond and Shining Pearl Pokédex • Sea Slug Pokémon

Brilliant Diamond

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

Shining Pearl

It apparently had a huge shell for protection in ancient times. It lives in shallow tidal pools.

Pokédexes

Original Sinnoh #61

Egg Group

Water 1Amorphous

Steps to Hatch

5,120

Effort Values Yielded

2 HP

Gender Ratio

50% male / 50% female

Capture Rate

75

Base Experience

166
PokémonRequiresEvolution
Shellos

Shellos

#60

Level 30

Gastrodon

Gastrodon

#61

Brilliant Diamond

LocationMethodLevelChanceConditions

Fuego Ironworks

Walking in tall grass or a cave2910%

Not using PokéRadar

Fuego Ironworks

Walking in tall grass or a cave304%

-

Fuego Ironworks

Walking in tall grass or a cave301%

Not using PokéRadar

Route 218

Road 218

Walking in tall grass or a cave2810%

-

Route 218

Road 218

Walking in tall grass or a cave295%

-

Route 218

Road 218

Walking in tall grass or a cave304%

-

Route 218

Road 218

Walking in tall grass or a cave301%

Not using PokéRadar

Route 221

Road 221

Walking in tall grass or a cave295%

-

Route 221

Road 221

Walking in tall grass or a cave304%

-

Route 221

Road 221

Walking in tall grass or a cave301%

Not using PokéRadar

Route 222

Road 222

Walking in tall grass or a cave4020%

Not during a swarm

Route 222

Road 222

Walking in tall grass or a cave4010%

At night

Route 222

Road 222

Walking in tall grass or a cave415%

-

Route 222

Road 222

Walking in tall grass or a cave424%

-

Route 222

Road 222

Walking in tall grass or a cave421%

Not using PokéRadar

Route 224

Road 224

Walking in tall grass or a cave5320%

Not during a swarm

Route 224

Road 224

Walking in tall grass or a cave5210%

At night

Sea Route 230

Road 230

Walking in tall grass or a cave515%

-

Shining Pearl

LocationMethodLevelChanceConditions

Fuego Ironworks

Walking in tall grass or a cave2910%

Not using PokéRadar

Fuego Ironworks

Walking in tall grass or a cave304%

-

Fuego Ironworks

Walking in tall grass or a cave301%

Not using PokéRadar

Route 218

Road 218

Walking in tall grass or a cave2810%

-

Route 218

Road 218

Walking in tall grass or a cave295%

-

Route 218

Road 218

Walking in tall grass or a cave304%

-

Route 218

Road 218

Walking in tall grass or a cave301%

Not using PokéRadar

Route 221

Road 221

Walking in tall grass or a cave2820%

Not during a swarm

Route 221

Road 221

Walking in tall grass or a cave295%

-

Route 221

Road 221

Walking in tall grass or a cave304%

-

Route 221

Road 221

Walking in tall grass or a cave301%

Not using PokéRadar

Route 222

Road 222

Walking in tall grass or a cave4010%

At night

Route 222

Road 222

Walking in tall grass or a cave415%

-

Route 222

Road 222

Walking in tall grass or a cave424%

-

Route 222

Road 222

Walking in tall grass or a cave421%

Not using PokéRadar

Route 224

Road 224

Walking in tall grass or a cave5320%

Not during a swarm

Route 224

Road 224

Walking in tall grass or a cave5210%

At night

Sea Route 230

Road 230

Walking in tall grass or a cave515%

-

Shellos

Drifloon

Gastrodon normal sprite

Normal

Gastrodon

Sea Slug Pokémon

#61
WaterGround

Height

0.9 m

Weight

29.9 kg

Base XP

166

Abilities

Sticky HoldStorm DrainSand Force

HP

111

Attack

83

Defense

68

Sp. Atk

92

Sp. Def

82

Speed

39

Total

475

Type Chart

Weaknesses

Takes 4× from

Grass

Resistances

Takes 0× from

Electric

Takes 0.5× from

FirePoisonRockSteel
Class
Description
StartWater GunWaterSpecial4010025

StartRecoverNormalStatus--5

StartHardenNormalStatus--30

StartMud-SlapGroundSpecial2010010

15Water PulseWaterSpecial6010020

20Ancient PowerRockSpecial601005

25Body SlamNormalPhysical8510015

33Muddy WaterWaterSpecial908510

39Earth PowerGroundSpecial9010010

46Rain DanceWaterStatus--5

53MementoDarkStatus-10010

Class
Description
-AttractNormalStatus-10015

-BlizzardIceSpecial110705

-BrineWaterSpecial6510010

-DigGroundPhysical8010010

-Double TeamNormalStatus--15

-EarthquakeGroundPhysical10010010

-EndureNormalStatus--10

-FacadeNormalPhysical7010020

-FlashNormalStatus-10020

-Giga ImpactNormalPhysical150905

-HailIceStatus--10

-Hyper BeamNormalSpecial150905

-Ice BeamIceSpecial9010010

-ProtectNormalStatus--10

-Rain DanceWaterStatus--5

-RestPsychicStatus--5

-Rock SlideRockPhysical759010

-Rock TombRockPhysical609515

-SandstormRockStatus--10

-Sleep TalkNormalStatus--10

-Sludge BombPoisonSpecial9010010

-Stone EdgeRockPhysical100805

-SubstituteNormalStatus--10

-SwaggerNormalStatus-8515

-Water PulseWaterSpecial6010020

HM03SurfWaterSpecial9010015

HM04StrengthNormalPhysical8010015

HM06Rock SmashFightingPhysical4010015

HM07WaterfallWaterPhysical8010015

TM49ScaldWaterSpecial8010015

TM83BulldozeGroundPhysical6010020

Sticky Hold

Ability Slot 1

Prevents a held item from being removed by other Pokémon.

Storm Drain

Ability Slot 2

Redirects single-target Water moves to this Pokémon where possible. Absorbs Water moves, raising Special Attack one stage.

Sand Force

Hidden Ability

Strengthens Rock, Ground, and Steel moves to 1.3× their power during a sandstorm. Protects against sandstorm damage.

Dittobase

© 2026 dittobase.com. All rights reserved.

This website is an independent platform and is not associated with, validated, backed, or sponsored by Nintendo, Game Freak, Niantic, or The Pokémon Company.

BD/SP / Pokédex

Gastrodon

Gastrodon

#61 in the Brilliant Diamond and Shining Pearl Pokédex • Sea Slug Pokémon

Brilliant Diamond

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

Shining Pearl

It apparently had a huge shell for protection in ancient times. It lives in shallow tidal pools.

Pokédexes

Original Sinnoh #61

Egg Group

Water 1Amorphous

Steps to Hatch

5,120

Effort Values Yielded

2 HP

Gender Ratio

50% male / 50% female

Capture Rate

75

Base Experience

166
PokémonRequiresEvolution
Shellos

Shellos

#60

Level 30

Gastrodon

Gastrodon

#61

Brilliant Diamond

LocationMethodLevelChanceConditions

Fuego Ironworks

Walking in tall grass or a cave2910%

Not using PokéRadar

Fuego Ironworks

Walking in tall grass or a cave304%

-

Fuego Ironworks

Walking in tall grass or a cave301%

Not using PokéRadar

Route 218

Road 218

Walking in tall grass or a cave2810%

-

Route 218

Road 218

Walking in tall grass or a cave295%

-

Route 218

Road 218

Walking in tall grass or a cave304%

-

Route 218

Road 218

Walking in tall grass or a cave301%

Not using PokéRadar

Route 221

Road 221

Walking in tall grass or a cave295%

-

Route 221

Road 221

Walking in tall grass or a cave304%

-

Route 221

Road 221

Walking in tall grass or a cave301%

Not using PokéRadar

Route 222

Road 222

Walking in tall grass or a cave4020%

Not during a swarm

Route 222

Road 222

Walking in tall grass or a cave4010%

At night

Route 222

Road 222

Walking in tall grass or a cave415%

-

Route 222

Road 222

Walking in tall grass or a cave424%

-

Route 222

Road 222

Walking in tall grass or a cave421%

Not using PokéRadar

Route 224

Road 224

Walking in tall grass or a cave5320%

Not during a swarm

Route 224

Road 224

Walking in tall grass or a cave5210%

At night

Sea Route 230

Road 230

Walking in tall grass or a cave515%

-

Shining Pearl

LocationMethodLevelChanceConditions

Fuego Ironworks

Walking in tall grass or a cave2910%

Not using PokéRadar

Fuego Ironworks

Walking in tall grass or a cave304%

-

Fuego Ironworks

Walking in tall grass or a cave301%

Not using PokéRadar

Route 218

Road 218

Walking in tall grass or a cave2810%

-

Route 218

Road 218

Walking in tall grass or a cave295%

-

Route 218

Road 218

Walking in tall grass or a cave304%

-

Route 218

Road 218

Walking in tall grass or a cave301%

Not using PokéRadar

Route 221

Road 221

Walking in tall grass or a cave2820%

Not during a swarm

Route 221

Road 221

Walking in tall grass or a cave295%

-

Route 221

Road 221

Walking in tall grass or a cave304%

-

Route 221

Road 221

Walking in tall grass or a cave301%

Not using PokéRadar

Route 222

Road 222

Walking in tall grass or a cave4010%

At night

Route 222

Road 222

Walking in tall grass or a cave415%

-

Route 222

Road 222

Walking in tall grass or a cave424%

-

Route 222

Road 222

Walking in tall grass or a cave421%

Not using PokéRadar

Route 224

Road 224

Walking in tall grass or a cave5320%

Not during a swarm

Route 224

Road 224

Walking in tall grass or a cave5210%

At night

Sea Route 230

Road 230

Walking in tall grass or a cave515%

-

Shellos

Drifloon

Gastrodon normal sprite

Normal

Gastrodon

Sea Slug Pokémon

#61
WaterGround

Height

0.9 m

Weight

29.9 kg

Base XP

166

Abilities

Sticky HoldStorm DrainSand Force

HP

111

Attack

83

Defense

68

Sp. Atk

92

Sp. Def

82

Speed

39

Total

475

Type Chart

Weaknesses

Takes 4× from

Grass

Resistances

Takes 0× from

Electric

Takes 0.5× from

FirePoisonRockSteel
Class
Description
StartWater GunWaterSpecial4010025

StartRecoverNormalStatus--5

StartHardenNormalStatus--30

StartMud-SlapGroundSpecial2010010

15Water PulseWaterSpecial6010020

20Ancient PowerRockSpecial601005

25Body SlamNormalPhysical8510015

33Muddy WaterWaterSpecial908510

39Earth PowerGroundSpecial9010010

46Rain DanceWaterStatus--5

53MementoDarkStatus-10010

Class
Description
-AttractNormalStatus-10015

-BlizzardIceSpecial110705

-BrineWaterSpecial6510010

-DigGroundPhysical8010010

-Double TeamNormalStatus--15

-EarthquakeGroundPhysical10010010

-EndureNormalStatus--10

-FacadeNormalPhysical7010020

-FlashNormalStatus-10020

-Giga ImpactNormalPhysical150905

-HailIceStatus--10

-Hyper BeamNormalSpecial150905

-Ice BeamIceSpecial9010010

-ProtectNormalStatus--10

-Rain DanceWaterStatus--5

-RestPsychicStatus--5

-Rock SlideRockPhysical759010

-Rock TombRockPhysical609515

-SandstormRockStatus--10

-Sleep TalkNormalStatus--10

-Sludge BombPoisonSpecial9010010

-Stone EdgeRockPhysical100805

-SubstituteNormalStatus--10

-SwaggerNormalStatus-8515

-Water PulseWaterSpecial6010020

HM03SurfWaterSpecial9010015

HM04StrengthNormalPhysical8010015

HM06Rock SmashFightingPhysical4010015

HM07WaterfallWaterPhysical8010015

TM49ScaldWaterSpecial8010015

TM83BulldozeGroundPhysical6010020

Sticky Hold

Ability Slot 1

Prevents a held item from being removed by other Pokémon.

Storm Drain

Ability Slot 2

Redirects single-target Water moves to this Pokémon where possible. Absorbs Water moves, raising Special Attack one stage.

Sand Force

Hidden Ability

Strengthens Rock, Ground, and Steel moves to 1.3× their power during a sandstorm. Protects against sandstorm damage.

Dittobase

© 2026 dittobase.com. All rights reserved.

This website is an independent platform and is not associated with, validated, backed, or sponsored by Nintendo, Game Freak, Niantic, or The Pokémon Company.