Mixed
Trick Room
39Speed · Very Slow

Is Gastrodon Good in Brilliant Diamond & Shining Pearl Playthrough?

Water/Ground with AbilityStorm Drain absorbing Water moves for a Sp. Atk boost. One weakness (Grass, 4x) and excellent bulk. Handles Roark, Volkner, Flint, and Byron. Cynthia uses one too. Reusable TMs give it Ice Beam for Dragon coverage. One of the most reliable Pokemon from mid-game through the Champion fight. Never leaves the team once it joins.

StrongGoodEvenToughBadSTETEGEGGGGEERoarkGym 1ShellosCatchableGardeniaGym 2MayleneGym 3Crasher WakeGym 4GastrodonEvolveFantinaGym 5ByronGym 6CandiceGym 7VolknerGym 8AaronE4BerthaE4FlintE4LucianE4CynthiaChamp*
Roark
Gym 1
Strong

Shellos resists most of Roark's coverage and hits back hard.

Easy KO
Geodude
Lv 12
RockGround
Rock Head
Stealth RockDefense CurlRolloutLeer
Easy KO
Onix
Lv 12
RockGround
Sturdy
Stealth RockRock ThrowBindHeadbutt
You Win
Cranidos
Lv 14
Rock
Mold Breaker
BulldozeLeer
Gardenia
Gym 2
Tough

Gardenia's team hits Shellos's weaknesses hard.

Even
Cherubi
Lv 19
Grass
Chlorophyll
Grass KnotGrowthDazzling GleamSafeguard
Even
Turtwig
Lv 19
Grass
Shell Armor
Grass KnotRazor LeafReflectWork Up
Avoid
Roserade
Lv 22
GrassPoison
Technician
Grass KnotPetal BlizzardPoison StingStun Spore
Maylene
Gym 3
Even

Shellos trades roughly evenly with Maylene's team.

Even
Meditite
Lv 27
FightingPsychic
Pure Power
Drain PunchLight ScreenFlashBulk Up
Even
Machoke
Lv 27
Fighting
Guts
Low SweepKnock OffRock TombBulldoze
Even
Lucario
Lv 30
FightingSteel
Steadfast
Drain PunchScreechMetal ClawBulk Up
Crasher Wake
Gym 4
Tough

Crasher Wake's typing presses Shellos's defenses.

Risky
Gyarados
Lv 27
WaterFlying
Intimidate
BrineIce FangCrunchFlail
Even
Quagsire
Lv 27
WaterGround
Damp
Rain DanceHazeMud ShotScald
Risky
Floatzel
Lv 30
Water
Swift Swim
BrineIce FangBiteAqua Jet
Fantina
Gym 5
Even

Gastrodon trades roughly evenly with Fantina's team.

You Win
Drifblim
Lv 32
GhostFlying
Aftermath
Strength SapHexFlyWill O Wisp
You Win
Gengar
Lv 34
GhostPoison
Cursed Body
Shadow ClawConfuse RaySludge BombDazzling Gleam
Risky
Mismagius
Lv 36
Ghost
LevitateImmune to Ground attacks
Confuse RayPhantom ForceMagical LeafDazzling Gleam
Byron
Gym 6
Good

Gastrodon has the type edge here and should clean up Byron's team.

You Win
Bronzor
Lv 36
SteelPsychic
LevitateImmune to Ground attacks
Confuse RaySandstormTrick RoomFlash Cannon
Easy KO
Steelix
Lv 36
SteelGround
Sturdy
Thunder FangEarthquakeSandstormGyro Ball
You Win
Bastiodon
Lv 39
RockSteel
Sturdy
Iron DefenseThunderboltStone EdgeFlash Cannon
Candice
Gym 7
Even

Gastrodon trades roughly evenly with Candice's team.

Even
Snover
Lv 38
GrassIce
Snow Warning
MistRazor LeafWater PulseAvalanche
You Win
Sneasel
Lv 38
DarkIce
Pickpocket
Metal ClawHone ClawsDigAvalanche
Even
Medicham
Lv 40
FightingPsychic
Pure Power
Ice PunchBulk UpBrick BreakRock Slide
Risky
Abomasnow
Lv 42
GrassIce
Snow Warning
Aurora VeilGiga DrainEarthquakeBlizzard
Volkner
Gym 8
Good

Gastrodon has the type edge here and should clean up Volkner's team.

Easy KO
Raichu
Lv 46
Electric
Static
NuzzleVolt SwitchSurfCharge Beam
Even
Ambipom
Lv 47
Normal
Technician
Fake OutThunderboltDouble HitLast Resort
Even
Octillery
Lv 47
Water
Sniper
OctazookaFocus EnergyAurora BeamCharge Beam
You Win
Luxray
Lv 49
Electric
Intimidate
Thunder FangIce FangCrunchIron Tail
Aaron
Elite Four
Good

Gastrodon has the type edge here and should clean up Aaron's team.

You Win
Dustox
Lv 53
BugPoison
Shield Dust
ToxicBug BuzzMoonlightLight Screen
You Win
Beautifly
Lv 53
BugFlying
Swarm
Bug BuzzShadow BallPsychicQuiver Dance
You Win
Vespiquen
Lv 54
BugFlying
Unnerve
AcrobaticsAttack OrderAerial AceDefend Order
Risky
Heracross
Lv 54
BugFighting
Guts
EarthquakeRock SlideFacadeBrick Break
You Win
Drapion
Lv 57
PoisonDark
Sniper
Cross PoisonNight SlashEarthquakeX Scissor
Bertha
Elite Four
Good

Gastrodon has the type edge here and should clean up Bertha's team.

Even
Quagsire
Lv 55
WaterGround
Water AbsorbImmune to Water attacks
RecoverToxicEarthquakeSurf
Easy KO
Sudowoodo
Lv 56
Rock
Rock Head
Double EdgeHead SmashSucker PunchLow Kick
Easy KO
Golem
Lv 56
RockGround
Sturdy
Rock PolishHeavy SlamEarthquakeStone Edge
You Win
Whiscash
Lv 55
WaterGround
Hydration
BulldozeIce BeamHydro Pump
You Win
Hippowdon
Lv 59
Ground
Sand Stream
Ice FangEarthquakeCrunchRest
Flint
Elite Four
Good

Gastrodon has the type edge here and should clean up Flint's team.

Easy KO
Rapidash
Lv 58
Fire
Flame Body
Flame ChargeIron TailPoison JabHypnosis
Easy KO
Steelix
Lv 57
SteelGround
Sheer Force
Thunder FangFire FangIron TailCrunch
You Win
Drifblim
Lv 58
GhostFlying
Unburden
Strength SapMinimizeBaton PassWill O Wisp
Even
Lopunny
Lv 57
Normal
Cute Charm
Mirror CoatHigh Jump KickQuick AttackFire Punch
You Win
Infernape
Lv 61
FireFighting
Iron Fist
Fire PunchThunder PunchClose CombatMach Punch
Lucian
Elite Four
Even

Gastrodon trades roughly evenly with Lucian's team.

Even
Girafarig
Lv 59
NormalPsychic
Sap Sipper
Light ScreenReflectPsychicDazzling Gleam
Even
Medicham
Lv 59
FightingPsychic
Pure Power
Light ScreenPsychicThunderboltTrick Room
Even
Alakazam
Lv 60
Psychic
Magic Guard
Zen HeadbuttHigh Jump KickThunder PunchIce Punch
Even
Bronzong
Lv 60
SteelPsychic
LevitateImmune to Ground attacks
Nasty PlotPsychicFuture SightShock Wave
Cynthia
Champion
Even

Gastrodon trades roughly evenly with Cynthia's team.

Even
Spiritomb
Lv 61
GhostDark
Pressure
Shadow BallDark PulsePsychicSucker Punch
Risky
Roserade
Lv 60
GrassPoison
Poison Point
Dazzling GleamShadow BallSludge BombEnergy Ball
Even
Gastrodon
Lv 60
WaterGround
Storm DrainImmune to Water attacks
ScaldEarthquakeSludge BombRock Tomb
Easy KO
Lucario
Lv 63
FightingSteel
Inner Focus
Aura SphereDragon PulseFlash CannonNasty Plot
Risky
Milotic
Lv 63
Water
Marvel Scale
RecoverMirror CoatIce BeamScald
Even
Garchomp
Lv 66
DragonGround
Rough Skin
Dragon ClawEarthquakeSwords DancePoison Jab
Catch Shellos
Available after Badge 1
Type
Water

Catch Shellos on Route 205 (walking, Lv 11, uncommon).

View Shellos locations

Evolve Shellos to Gastrodon
Level 30
Type
WaterGround

Your Shellos should hit Level 30 before you reach Fantina, at typical leveling pace.

View Gastrodon locations

How to Get Gastrodon in Brilliant Diamond & Shining Pearl

Gastrodon's scattered across 18 spots in mid-game routes with high spawn rates. Check the list below for the closest location to wherever you are in the game. This one's quick.

Where To Catch Gastrodon in BDSP

Shellos is your first catch on the way to Gastrodon. You'll find walking encounters from Lv. 7-53 across 38 total spots in the chain.

  1. Shellos
    Step 1Catch Shellos
    Route 205 - South
    Lv.8-10Grass
    Rate 45%
    Valley Windworks
    Lv.7-9Floor
    Rate 30%
    Route 205 - North
    Lv.11Grass
    Rate 10%
    Route 213
    Lv.20-22Grass
    Rate 50%
    Night
    Route 213
    Lv.20-22Grass
    Rate 40%
    Morning/day
    Fuego Ironworks
    Lv.28Floor
    Rate 20%
    Route 218
    Lv.28Grass
    Rate 20%
    Fountainspring Cave
    Lv.16-20Cave
    Route 221
    Lv.28Grass
    Rate 10%
    Route 224
    Lv.23Grass
    Rate 1%
  2. Gastrodon
    Step 2Gastrodon
    Route 221
    Lv.28-30Grass
    Shining PearlRate 30%
    Route 218
    Lv.28-30Grass
    Rate 20%
    Fuego Ironworks
    Lv.29-30Floor
    Rate 15%
    Fountainspring Cave
    Lv.16-20Cave
    Route 221
    Lv.29-30Grass
    Brilliant DiamondRate 10%
    Route 222
    Lv.40-42Grass
    Brilliant DiamondRate 40%
    Night
    Route 222
    Lv.40-42Grass
    Brilliant DiamondRate 30%
    Morning/day
    Route 222
    Lv.40-42Grass
    Shining PearlRate 20%
    Night
    Route 222
    Lv.41-42Grass
    Shining PearlRate 10%
    Morning/day
    Route 224
    Lv.52-53Grass
    Rate 30%
    Night
    Route 224
    Lv.53Grass
    Rate 20%
    Morning/day
    Route 230
    Lv.51Grass
    Rate 5%
    or evolve from Shellos (Step 1)

Gastrodon Weakness

Gastrodon's Water/Ground typing leaves it vulnerable to Grass. Grass hits land at 4x, so they're the biggest threat. It shrugs off Electric-type attacks completely. It resists 4 types, giving it decent defensive coverage. Storm Drain grants an additional Water immunity, reshaping the matchup chart. With 111 HP and balanced defenses, Gastrodon can afford to eat a neutral hit or two.

Gastrodon Weakness and Resistance Chart
DamageTypes
4x (Critical)Grass
0.5x (Resist)Fire, Poison, Rock, Steel
0x (Immune)Electric

What is Gastrodon Weak Against

Good
1Weak
4Resist
2Immune
Score+3
4xCritical
2xWeak
None
¼xResist
None

What is Gastrodon Strong Against

6Strong
1Resisted
0Immune
Score+5
½xResisted
0xImmune
None

Best Pokemon Against Gastrodon

Gastrodon Evolutions

Gastrodon is the evolved form of Shellos. Breeding produces Shellos eggs, and they're average hatch time. Evolving from Shellos gave Gastrodon the biggest boost in HP (+35), bringing the total to 475 stats. View every chain in the Evolution Chart.

How to Evolve

2 Forms
Stat Comparison 2 Stages
Shellos
Water
Gastrodon
WaterGround
HP
76
111+35
ATK
48
83+35
DEF
48
68+20
SP.ATK
57
92+35
SP.DEF
62
82+20
SPE
34
39+5
BST
325D-Tier
475C-Tier+150
ROLE
Balanced
Trick Room
TYPE
Utility
Mixed

Breeding

Very Easy

Breed with Gastrodon to get Shellos eggs easily using 31 partners from the Indeterminate and Water1 egg groups. Notable egg moves include Acid Armor, Amnesia, Clear Smog and 11 more.

Gender
50.0%50.0%
Hatch Time
20 cycles·5,140 steps
Quick~5 min with Flame Body
Egg Moves
14moves
Breed With (best first)
azumarillgardevoirgalladeblastoisegolduckferaligatrkingdraswampertslowbroslowkingoctilleryludicolo

BDSP Gastrodon Best Moveset

Held C-tier with AbilityStorm Drain absorbing all Water moves for Sp. Atk boosts, removing one of Ground typing's few weaknesses. 111 HP with Water/Ground TermStab at 92 Sp. Atk gives the moveset bulk and special offense. Only Grass exploits the typing. Consistent defensive presence that's been C-tier through the original and the remake.

Best Build

Experimental
Wall
Ability
Storm Drain
Item
LeftoversSUSTAIN
Best Nature for Gastrodon
Calm+SPD

Gastrodon best EVs are HP and Sp. Def

EVs

Wall Moveset

  • RecoverRecovery
  • ScaldSTAB
  • Earth PowerSTAB
  • ToxicUtility

Recommended Teammates

Moves List

The natural movepool does the job, but Acid Armor and Amnesia from the egg pool give Gastrodon something extra.

Level-Up Moves

Lv 1
Harden
D30Normal
Lv 1
Mud-Slap
D3010010Ground
Lv 1
Recover
B10Normal
Lv 1
Water Gun
D6010025Water
Lv 15
Water Pulse
C9010020Water
Lv 20
Ancient Power
D601005Rock
Lv 25
Body Slam
C8510015Normal
Lv 33
Muddy Water
C1358510Water
Lv 39
Earth Power
B13510010Ground
Lv 46
Rain Dance
C5Water
Lv 53
Memento
D10010Dark

TM Moves

TM
TM45
Attract
C10015Normal
TM14
Blizzard
C110705Ice
TM55
Brine
C9710010Water
TM83
Bulldoze
9010020Ground
TM28
Dig
C12010010Ground
TM32
Double Team
D15Normal
TM26
Earthquake
A15010010Ground
TM58
Endure+4
C10Normal
TM42
Facade
D7010020Normal
TM70
Flash
10020Normal
TM68
Giga Impact
C150905Normal
TM07
Hail
C10Ice
TM15
Hyper Beam
B150905Normal
TM13
Ice Beam
C9010010Ice
TM17
Protect+4
C10Normal
TM18
Rain Dance
C5Water
TM44
Rest
C10Psychic
TM80
Rock Slide
D759010Rock
TM98
Rock Smash
D4010015Fighting
TM39
Rock Tomb
D609515Rock
TM37
Sandstorm
C10Rock
TM49
Scald
B12010015Water
TM82
Sleep Talk
C10Normal
TM36
Sludge Bomb
C9010010Poison
TM71
Stone Edge
C100805Rock
TM96
Strength
8010015Normal
TM90
Substitute
C10Normal
TM95
Surf
B13510015Water
TM87
Swagger
D8515Normal
TM03
Water Pulse
C9010020Water
TM99
Waterfall
C12010015Water

Egg Moves

Egg
Egg
Acid Armor
D20Poison
Egg
Amnesia
D20Psychic
Egg
Clear Smog
A5015Poison
Egg
Counter-5
D10020Fighting
Egg
Curse
C10Ghost
Egg
Fissure
D305Ground
Egg
Memento
D10010Dark
Egg
Mirror Coat-5
D10020Psychic
Egg
Mist
30Ice
Egg
Sludge
6510020Poison
Egg
Spit Up
D10010Normal
Egg
Stockpile
D20Normal
Egg
Swallow
D10Normal
Egg
Yawn
C10Normal

Tutor Moves

Gastrodon can't learn any Tutor moves

Base Stats

Base Stats
Above
HP111
B
Attack83
C
Defense68
C
Sp. Atk92
B
Sp. Def82
C
Speed39
F
Total475
Details
Catch Rate
Challenging75 / 255
Growth Rate
Medium Fast1M XP
Height0.9 m
Weight29.9 kg
Base XP166
Abilities
Sticky Hold
Prevents a held item from being removed by other Pokémon.
Storm Drain
Redirects single-target water moves to this Pokémon where possible. Absorbs Water moves, raising Special Attack one stage.
Sand ForceHidden Ability
Strengthens rock, ground, and steel moves to 1.3× their power during a sandstorm. Protects against sandstorm damage.
Storm Drain grants Water immunity
EV Yield
HP+2AtkDefSpASpDSpe
HP training target
Pokedex Entry

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

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

Gastrodon Brilliant Diamond & Shining Pearl Guide

  • In Brilliant Diamond & Shining Pearl, Don't let Gastrodon's 475 base stat total fool you. Storm Drain is what makes it tick. It punches way above its weight class. We rate it C-Tier as a trick room. Recover with Leftovers is the standard set.

  • In Brilliant Diamond & Shining Pearl, watch for Roserade (Grass) when using Gastrodon. They all hit it super-effectively with STAB. Roserade is the most dangerous since Grass moves deal 4x damage. Only 1 weakness means fewer dedicated counters to worry about. At base 39 Speed, Gastrodon won't outrun any of these threats so switching to a resist is usually the safer play.

  • In Brilliant Diamond & Shining Pearl, Run Storm Drain on Gastrodon. It's the ability that defines how you build around it and the main reason it holds a competitive niche. Gastrodon also gets Sticky Hold and Sand Force, but they don't compare.

  • In Brilliant Diamond & Shining Pearl, Gastrodon fills the trick room role. It's a mixed attacker with base 83 Attack and 92 Sp. Atk. Base 39 Speed is low. Priority moves or Trick Room are the way to go. And it's enough bulk to take a hit or two.

  • In Brilliant Diamond & Shining Pearl, run Recover, Scald, Earthpower, and Toxic on Gastrodon. Recover is the most common pick at 0% usage. Scald provides reliable STAB damage.

Game Availability

Gastrodon first appeared in Diamond & Pearl and has been available in 13 games across 7 generations. Obtainable through wild encounters in most titles where it appears.

Was this page helpful?
Thanks for your feedback!
Want to tell us more?
What was most useful?
What could be improved?
Thanks for your feedback