Shellder fishes up in Olivine City's waters in HeartGold and SoulSilver. Skill Link hits multi-strike moves the maximum 5 times, and A-Tier Cloyster is the spike-armored payoff.
Ability 1Shell ArmorAbility 1Protects against critical hits.Ability 2Skill LinkAbility 2Extends two-to-five-hit moves and triple kick to their full length every time.
305HP30Attack65Defense100Speed40Sp.Def25Sp.Atk45
Shellder
Cloyster
Weak to
Mixed
Balanced
40Speed · Very Slow

Is Shellder Good in HeartGold & SoulSilver Playthrough?

Olivine City and coastal fishing spots. Water-type with AbilitySkill Link making multi-hit moves always land five times. Cloyster at Water Stone has enormous Defense and Ice coverage for Clair's Dragon gym. Available during the story.

StrongGoodEvenToughBadGGEETGEESEEGGEGGGGGGGFalknerGym 1BugsyGym 2WhitneyGym 3MortyGym 4ShellderCatchableCloysterEvolveChuckGym 5JasmineGym 6PryceGym 7ClairGym 8BrockGym 9MistyGym 10SurgeGym 11ErikaGym 12JanineGym 13SabrinaGym 14BlaineGym 15BlueGym 16WillE4KogaE4BrunoE4KarenE4LanceChamp*
Falkner
Gym 1
Good

Shellder has the type edge here and should clean up Falkner's team.

Easy KO
Pidgey
Lv 9
NormalFlying
Keen Eye
TackleSand Attack
You Win
Pidgeotto
Lv 13
NormalFlying
Keen Eye
TackleRoostGust
Bugsy
Gym 2
Good

Shellder has the type edge here and should clean up Bugsy's team.

Even
Scyther
Lv 17
BugFlying
Technician
Quick AttackLeerU TurnFocus Energy
You Win
Kakuna
Lv 15
BugPoison
Shed Skin
Poison Sting
You Win
Metapod
Lv 15
Bug
Shed Skin
Tackle
Whitney
Gym 3
Even

Shellder trades roughly evenly with Whitney's team.

You Win
Clefairy
Lv 17
Normal
Cute Charm
Double SlapMimicEncoreMetronome
Risky
Miltank
Lv 19
Normal
Scrappy
RolloutAttractStompMilk Drink
Morty
Gym 4
Even

Shellder trades roughly evenly with Morty's team.

You Win
Gastly
Lv 21
GhostPoison
Levitate
LickSpiteMean LookCurse
Even
Haunter
Lv 21
GhostPoison
Levitate
HypnosisDream EaterCurseNightmare
Risky
Gengar
Lv 25
GhostPoison
Levitate
HypnosisShadow BallMean LookSucker Punch
You Win
Haunter
Lv 23
GhostPoison
Levitate
CurseMean LookSucker PunchNight Shade
Chuck
Gym 5
Tough

Chuck's team hits Cloyster's weaknesses hard.

Even
Primeape
Lv 29
Fighting
Vital Spirit
LeerDouble TeamFocus PunchRock Slide
Risky
Poliwrath
Lv 31
WaterFighting
Water AbsorbImmune to Water attacks
HypnosisSurfFocus PunchBody Slam
Jasmine
Gym 6
Good

Cloyster has the type edge here and should clean up Jasmine's team.

Even
Magnemite
Lv 30
ElectricSteel
Magnet Pull
ThunderboltSupersonicSonic BoomThunder Wave
Even
Magnemite
Lv 30
ElectricSteel
Sturdy
ThunderboltSupersonicSonic BoomThunder Wave
Easy KO
Steelix
Lv 35
SteelGround
Sturdy
ScreechSandstormRock ThrowIron Tail
Pryce
Gym 7
Even

Cloyster trades roughly evenly with Pryce's team.

Even
Seel
Lv 30
Water
Thick Fat
SnoreHailIcy WindRest
Risky
Dewgong
Lv 32
WaterIce
Thick Fat
Sleep TalkIce ShardAurora BeamRest
Easy KO
Piloswine
Lv 34
IceGround
Snow Cloak
HailIce FangMud BombBlizzard
Clair
Gym 8
Even

Cloyster trades roughly evenly with Clair's team.

Risky
Gyarados
Lv 38
WaterFlying
Intimidate
TwisterDragon RageBiteDragon Pulse
You Win
Dragonair
Lv 38
Dragon
Shed Skin
Thunder WaveFire BlastSlamDragon Pulse
You Win
Dragonair
Lv 38
Dragon
Shed Skin
Thunder WaveAqua TailSlamDragon Pulse
Risky
Kingdra
Lv 41
WaterDragon
Sniper
SmokescreenHydro PumpHyper BeamDragon Pulse
Brock
Gym 9
Strong

Cloyster resists most of Brock's coverage and hits back hard.

Easy KO
Graveler
Lv 51
RockGround
Sturdy
Defense CurlRock SlideRolloutEarthquake
Easy KO
Rhyhorn
Lv 51
GroundRock
Rock Head
SandstormScary FaceEarthquakeHorn Drill
Even
Omastar
Lv 53
RockWater
Shell Armor
Ancient PowerBrineProtectSpike Cannon
Easy KO
Onix
Lv 54
RockGround
Sturdy
Iron TailRock SlideScreechSandstorm
Even
Kabutops
Lv 52
RockWater
Battle Armor
Rock SlideAqua JetEndureGiga Drain
Misty
Gym 10
Even

Cloyster trades roughly evenly with Misty's team.

Risky
Golduck
Lv 49
Water
Damp
Water PulseDisablePsych UpPsychic
You Win
Quagsire
Lv 49
WaterGround
Water AbsorbImmune to Water attacks
Water PulseAmnesiaEarthquakeRain Dance
Even
Lapras
Lv 52
WaterIce
Shell Armor
Water PulseSingIce BeamBody Slam
Even
Starmie
Lv 54
WaterPsychic
Natural Cure
Water PulseConfuse RayRecoverIce Beam
Lt. Surge
Gym 11
Even

Cloyster trades roughly evenly with Lt. Surge's team.

Even
Raichu
Lv 51
Electric
Static
Thunder WaveQuick AttackShock WaveDouble Team
Even
Electrode
Lv 47
Electric
Static
Thunder WaveDouble TeamShock WaveLight Screen
Even
Magneton
Lv 47
ElectricSteel
Sturdy
SupersonicDouble TeamShock WaveMirror Shot
Even
Electrode
Lv 47
Electric
Static
ScreechDouble TeamSelf DestructCharge Beam
Risky
Electabuzz
Lv 53
Electric
Static
Quick AttackShock WaveLight ScreenLow Kick
Erika
Gym 12
Good

Cloyster has the type edge here and should clean up Erika's team.

You Win
Jumpluff
Lv 51
GrassFlying
Chlorophyll
U TurnLeech SeedSunny DayGiga Drain
You Win
Tangela
Lv 52
Grass
Chlorophyll
Ancient PowerWring OutGiga DrainSleep Powder
Even
Victreebel
Lv 56
GrassPoison
Chlorophyll
Sunny DaySynthesisGrass KnotLeaf Storm
Even
Bellossom
Lv 56
Grass
Chlorophyll
Sunny DaySynthesisGiga DrainSolar Beam
Janine
Gym 13
Good

Cloyster has the type edge here and should clean up Janine's team.

Easy KO
Crobat
Lv 47
PoisonFlying
Inner Focus
ScreechSupersonicConfuse RayWing Attack
You Win
Weezing
Lv 44
Poison
Levitate
Double HitSludge BombToxicExplosion
You Win
Ariados
Lv 47
BugPoison
Insomnia
Scary FacePoison JabPin MissilePsychic
You Win
Ariados
Lv 47
BugPoison
Insomnia
Pin MissilePoison JabSwaggerNight Shade
Even
Venomoth
Lv 50
BugPoison
Tinted Lens
Sludge BombDouble TeamSignal BeamPsychic
Sabrina
Gym 14
Even

Cloyster trades roughly evenly with Sabrina's team.

Even
Espeon
Lv 53
Psychic
Synchronize
Shadow BallSkill SwapCalm MindPsychic
You Win
Mr Mime
Lv 53
Psychic
Filter
MimicLight ScreenSkill SwapPsychic
Even
Alakazam
Lv 55
Psychic
Inner Focus
Skill SwapPsychicEnergy BallReflect
Blaine
Gym 15
Good

Cloyster has the type edge here and should clean up Blaine's team.

You Win
Magcargo
Lv 54
FireRock
Flame Body
Sunny DaySmogOverheatRock Slide
Even
Magmar
Lv 54
Fire
Flame Body
Thunder PunchOverheatSunny DayConfuse Ray
Even
Rapidash
Lv 59
Fire
Flash Fire
Quick AttackFlare BlitzBounceOverheat
Blue
Gym 16
Good

Cloyster has the type edge here and should clean up Blue's team.

You Win
Exeggutor
Lv 55
GrassPsychic
Chlorophyll
Leaf StormPsychicHypnosisTrick Room
Even
Arcanine
Lv 58
Fire
Intimidate
RoarDragon PulseFlare BlitzExtreme Speed
Easy KO
Rhydon
Lv 58
GroundRock
Rock Head
MegahornStone EdgeThunder FangEarthquake
Even
Gyarados
Lv 52
WaterFlying
Intimidate
Ice FangWaterfallDragon DanceReturn
Even
Machamp
Lv 56
Fighting
No Guard
Dynamic PunchEarthquakeStone EdgeThunder Punch
You Win
Pidgeot
Lv 60
NormalFlying
Tangled Feet
ReturnWhirlwindAir SlashMirror Move
Will
Elite Four
Good

Cloyster has the type edge here and should clean up Will's team.

You Win
Xatu
Lv 40
PsychicFlying
Synchronize
U TurnMe FirstConfuse RayPsychic
Even
Jynx
Lv 41
IcePsychic
Oblivious
Double SlapLovely KissIce PunchPsychic
You Win
Exeggutor
Lv 41
GrassPsychic
Chlorophyll
ReflectHypnosisEgg BombPsychic
Even
Slowbro
Lv 41
WaterPsychic
Own Tempo
CurseAmnesiaWater PulsePsychic
You Win
Xatu
Lv 42
PsychicFlying
Early Bird
Aerial AceOminous WindConfuse RayPsychic
Koga
Elite Four
Good

Cloyster has the type edge here and should clean up Koga's team.

You Win
Ariados
Lv 40
BugPoison
Insomnia
Poison JabSpider WebBaton PassGiga Drain
Even
Venomoth
Lv 41
BugPoison
Tinted Lens
SupersonicGustPsychicToxic
You Win
Forretress
Lv 43
BugSteel
Sturdy
ProtectSwiftExplosionToxic Spikes
You Win
Muk
Lv 42
Poison
Sticky Hold
MinimizeScreechGunk ShotToxic
Easy KO
Crobat
Lv 44
PoisonFlying
Inner Focus
Double TeamQuick AttackWing AttackPoison Fang
Bruno
Elite Four
Good

Cloyster has the type edge here and should clean up Bruno's team.

You Win
Hitmontop
Lv 42
Fighting
Technician
CounterQuick AttackDigTriple Kick
Even
Hitmonlee
Lv 42
Fighting
Reckless
SwaggerFocus EnergyHigh Jump KickBlaze Kick
Even
Hitmonchan
Lv 42
Fighting
Iron Fist
Thunder PunchIce PunchFire PunchBullet Punch
Easy KO
Onix
Lv 43
RockGround
Sturdy
Dragon BreathEarthquakeSandstormRock Slide
You Win
Machamp
Lv 46
Fighting
No Guard
Rock SlideForesightRevengeCross Chop
Karen
Elite Four
Good

Cloyster has the type edge here and should clean up Karen's team.

You Win
Umbreon
Lv 42
Dark
Synchronize
Double TeamConfuse RayFeint AttackPayback
You Win
Vileplume
Lv 42
GrassPoison
Chlorophyll
Stun SporeAcidMoonlightPetal Dance
You Win
Gengar
Lv 45
GhostPoison
Levitate
LickSpiteFocus BlastDestiny Bond
Easy KO
Murkrow
Lv 44
DarkFlying
Super Luck
PluckWhirlwindSucker PunchFeint Attack
Even
Houndoom
Lv 47
DarkFire
Flash Fire
Nasty PlotDark PulseFlamethrowerCrunch
Lance
Champion
Good

Cloyster has the type edge here and should clean up Lance's team.

Even
Gyarados
Lv 46
WaterFlying
Intimidate
FlailDragon PulseWaterfallIce Fang
You Win
Dragonite
Lv 49
DragonFlying
Inner Focus
Thunder WaveDragon RushThunderHyper Beam
You Win
Dragonite
Lv 49
DragonFlying
Inner Focus
Thunder WaveDragon RushBlizzardHyper Beam
Easy KO
Aerodactyl
Lv 48
RockFlying
Pressure
Aerial AceCrunchRock SlideThunder Fang
You Win
Charizard
Lv 48
FireFlying
Blaze
Shadow ClawAir SlashDragon ClawFire Fang
You Win
Dragonite
Lv 50
DragonFlying
Inner Focus
Fire BlastSafeguardOutrageHyper Beam

Catchable

Available after Badge 4
Type
Water
Tier
E

Catch Shellder in New Bark Town (Good Rod fishing, Lv 20, rare).

View Shellder locations

Evolve Shellder to Cloyster

Use Water Stone
Type
WaterIce
Tier
A

Shellder evolves into Cloyster with a Water Stone. You can receive the Water Stone from an NPC in Route 42. 2 other locations are also available.

Recommended Moves

How to Get Shellder in HeartGold & SoulSilver

Shellder is a rod catch across ten coastal spots, common to rare on the better rods between levels 20 and 40. The clam bites readily once you have a Good Rod, an easy haul along the southern shores.

Wild Shellder may be holding when caught:

Pearl (50% chance) A somewhat-small pearl that sparkles in a pretty silver color. It can be sold cheaply to shops.
Big Pearl (5% chance) A quite-large pearl that sparkles in a pretty silver color. It can be sold at a high price to shops.

10 locations to catch Shellder

Encountered via fishing with a Rod

Badge 1
Badge 2
Badge 3
Badge 4
Badge 5
Badge 6
Badge 7
Badge 8
Post-Game

How to Get Shiny Shellder in HeartGold & SoulSilver

Shellder hides in the shallows off Cinnabar Island and Pallet Town, though a shiny hatches faster from Masuda breeding. Compare Shiny Shellder odds across every game

Normal vs Shiny
Normal Shellder in HeartGold & SoulSilverNormal
Shiny Shellder in HeartGold & SoulSilver Shiny
Color ShiftPurpletoRed
Shiny TierA Tier Shiny

Shiny Shellder Evolution

2 Forms
Showing shiny artworkView Full Evolution Chart

HeartGold & SoulSilver Shiny Shellder Calculator

2 Methods
Fastest Path

The best route is Masuda Method, about 1 in 1,639 on each try.

Step 1 · Encounter Method2 in HeartGold & SoulSilver

Masuda Method: Breed with a parent from a different-language game. Works on any breedable line.

Full Odds: Walk through grass, surf, or fish. Every encounter is its own independent shiny roll.

How many you have done, or plan to do.

120,000
Shiny Odds Per Try1 / 1,639Masuda Method
Chance By Now50.0%at 1,136 eggs hatchedAbout 5 in 10 hunters have one by now
What To Expect
ChanceEncountersTime
10%lucky few173----
25%one in four472----
50%coin flip1,136----
90%very likely3,773----
How is this calculated?

Every encounter has the same shiny chance, the Shiny Odds Per Try shown above. Each one is a separate roll that does not care how many you have already done, so the more you hunt, the higher your overall chance of at least one shiny. The formula below turns your odds and your number of tries into that combined chance.

chance after N tries = 1 − (1 − p)^N,  where  p = 1 / odds per try

Example at 1 in 8,192 (classic full odds): about 864 encounters for a 10 percent chance, 5,678 for 50 percent, and 18,862 for 90 percent.

The table above flips that around: it shows how many encounters it takes to reach a 10, 25, 50, and 90 percent chance at your current odds. Turning on boosts like the Shiny Charm, sandwiches, or chains improves your odds, so the encounter numbers drop.

These are estimates, not promises. Most games have no pity counter, meaning no guaranteed shiny no matter how many you hunt, so even Very Likely is not guaranteed: some hunters find one early, others go well past that point.

Where these shiny odds come from: Read our full methodology

Planning a longer hunt? Set up Shellder in the HeartGold & SoulSilver Shiny Odds Calculator to compare every method side by side.

Shellder Weakness

Type-wise, Shellder takes extra damage from Electric and Grass. It resists 4 types, giving it decent defensive coverage. Shellder's physical bulk (base 100 Def) helps cushion physical weakness hits, but special attackers are the bigger threat.

Shellder Weakness and Resistance Chart
DamageTypes
2x (Weak)Electric, Grass
0.5x (Resist)Fire, Water, Ice, Steel
Gen IV Type Chart
  • Fairy type does not exist — Dragon has fewer checks
  • Physical / Special split now per-move (introduced Gen IV)

What is Shellder Weak Against

Good
2Weak
4Resist
0Immune
Score0
4xCritical
None
¼xResist
None
0xImmune
None

What is Shellder Strong Against

3Strong
3Resisted
0Immune
Score0
½xResisted
0xImmune
None

Best Pokemon Against Shellder

Cacturne
Cacturne
GrassDark
B
Parasect
Parasect
BugGrass
C
Victreebel
Victreebel
GrassPoison
C
Vileplume
Vileplume
GrassPoison
C
C

Shellder Evolutions

Evolving Shellder into Cloyster takes an evolution item. It's not a simple level-up, so check the chain details below. Evolving adds up to 220 stat points total. View every chain in the Evolution Chart.

How to Evolve

2 Forms
Stat Comparison 2 Stages
Shellder
Water
Cloyster
WaterIce
HP
30
50+20
ATK
65
95+30
DEF
100
180+80
SP.ATK
45
85+40
SP.DEF
25
45+20
SPE
40
70+30
BST
305E-Tier
525A-Tier+220
ROLE
Balanced
Balanced
TYPE
Physical
Mixed

Breeding

Very Easy

Breed Shellder easily with 21 breeding partners from the Water 3 egg group. Pass egg moves like Barrier, Bubble Beam, Icicle Spear and 5 more to offspring.

Egg Groups
Water 3
Gender
♂50.0%♀50.0%
Hatch Time
20 cycles·5,140 steps
Quick~5 min with Flame Body
Egg Moves
8moves
Breed With (best first)
drapioncrawdauntcorsolaskorupicorphishomastarkabutopsomanytekabutotentacruelcloysterstarmie

HGSS Shellder Best Moveset

Extreme physical Defense at 100 for a first-stage, but 25 Sp. Def creates a glaring weakness to special attacks. AbilitySkill Link guarantees multi-hit moves connect all five times. The moveset blocks physical damage. Evolve to Cloyster.

Best Build

Experimental
Physical Revenge Killer
Ability
Skill Link
Item
Choice ScarfSPEED
Best Nature for Shellder
Naive+SPE

Shellder best EVs are Attack and Speed

EVs

Physical Revenge Killer Moveset

  • Rock Blast
  • ExplosionCoverage
  • Icicle Spear
  • Rapid Spin

Moves List

The egg pool carries weight here. Barrier and Bubble Beam aren't available any other way for Shellder, and they meaningfully change what it threatens. Stack those on top of Surf and Dive for solid options.

Level-Up Moves

Lv 1
Tackle
D3510035Normal
Lv 4
Withdraw
———40Water
Lv 8
Supersonic
——5520Normal
Lv 13
Icicle Spear
B2510030Ice
Lv 16
Protect+4
C——10Normal
Lv 20
Leer
——10030Normal
Lv 25
Clamp
A528510Water
Lv 28
Ice Shard+1
A4010030Ice
Lv 32
Aurora Beam
—6510020Ice
Lv 37
Whirlpool
D528515Water
Lv 40
Iron Defense
C——15Steel
Lv 44
Brine
A9710010Water
Lv 49
Ice Beam
D9510010Ice

TM Moves

All 18 TMs are obtainable before the Elite Four

TM
TM45——10015Normal
TM14D120705Ice
TM21
FrustrationCeladon Department Storebadge 2
D—10020Normal
TM10
Hidden PowerLake of Ragebadge 6
D6010015Normal
TM13
Ice BeamGoldenrod Game Cornerbadge 2
D9510010Ice
TM83
Natural GiftGoldenrod Department Storebadge 2
D—10015Normal
TM66
PaybackRoute 35badge 2
D5010010Dark
TM17C——10Normal
TM44
RestRoute 31badge 2
A——10Psychic
TM43
Secret PowerLake of Ragebadge 6
—7010020Normal
TM90
SubstituteGoldenrod Game Cornerbadge 2
C——10Normal
TM87
SwaggerOlivine Lighthousebadge 4
——9015Normal
HM05D528515Water

Egg Moves

Egg
Egg
Barrier
———30Psychic
Egg
Bubble Beam
—9710020Water
Egg
Icicle Spear
B2510030Ice
Egg
Mud Shot
D559515Ground
Egg
Rapid Spin
B5010040Normal
Egg
Rock Blast
B259010Rock
Egg
Screech
——8540Normal
Egg
Take Down
D908520Normal

Tutor Moves

Tut
Tutor
Dive
C12010010Water
Tutor
Icy Wind
D559515Ice
Tutor
Iron Defense
C——15Steel
Tutor
Snore
D4010015Normal
Tutor
Swift
—60—20Normal

Base Stats

Base Stats
Avg
HP30
F
Attack65
C
Defense100
B
Sp. Atk45
D
Sp. Def25
F
Speed40
D
Total305
Details
Catch Rate
Easy190 / 255
Growth Rate
Slow1.25M XP
Height0.3 m
Weight4.0 kg
Base XP61
Abilities
Shell Armor
Protects against critical hits.
Skill Link
Extends two-to-five-hit moves and triple kick to their full length every time.
EV Yield
HPAtkDef+1SpASpDSpe
Defense training source
Pokedex Entry

It swims facing backward by opening and closing its two-piece shell. It is surprisingly fast.

Grains of sand trapped in its shells mix with its body fluids to form beautiful pearls.

Shellder HeartGold & SoulSilver Guide

  • Yes. Wild Shellder in HeartGold & SoulSilver can hold Pearl (50%) or Big Pearl (5%). Use Thief (TM46) or Covet to swipe the held item without affecting your catch chance. Quickest way to farm rare items like Pearl.

  • In HeartGold & SoulSilver, Shellder does the job early-game if you need a Water type on your team. Evolve it into Cloyster before the later gyms and it holds up fine through the story.

Game Availability

Shellder has been part of the series since Red & Blue, appearing in 20 titles across all 9 generations. As a Gen 1 original, it's one of the most consistently available Pokemon in the franchise.

Explore

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