Dittobase

Home

Games

Pokémon GO
Pokopia
Pokémon Unite

Cards

TCG Pocket
Pokémon TCG

Main Series

Legends Z-A
Scarlet & Violet
HOME
Legends: Arceus
Brilliant Diamond and Shining Pearl
Sword and Shield
Let's Go, Pikachu! and Eevee!
Ultra Sun and Ultra Moon
Sun and Moon
Omega Ruby and Alpha Sapphire
X and Y
Black 2 and White 2
Black and White
HeartGold and SoulSilver
Platinum
Diamond and Pearl
Emerald
FireRed and LeafGreen
Ruby and Sapphire
Crystal
Gold and Silver
Yellow
Red and Blue

Tools

Brilliant Diamond and Shining Pearl

Game

Brilliant Diamond and Shining Pearl

News

Updates for this game hub

Guides

Sinnoh mechanics and tips

Pokédex

Stats, moves, and locations

Moves

Power, accuracy, and learners

Abilities

Effects and Pokémon lists

Items

Bags, machines, and effects

Gym Leaders

Gyms, Elite Four, and Cynthia

Egg Groups

Breeding groups and members

BD/SP / Pokédex

Shellder

Shellder

#90 in the Brilliant Diamond and Shining Pearl Pokédex • Bivalve Pokémon

Shellder

#90 in the Brilliant Diamond and Shining Pearl Pokédex • Bivalve Pokémon

Stats

Base stat spread shown as a hex chart and supporting stat bars.

Min

Max

HP

30

170

264

Attack

65

121

251

Defense

100

184

328

Sp. Atk

45

85

207

Sp. Def

25

49

163

Speed

40

76

196

Total

305

Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.

Muk

Cloyster

Shellder normal sprite

Normal

Shellder

Bivalve Pokémon

#90
Water

Height

0.3 m (1'00")

Weight

4 kg (8.8 lbs)

Abilities

Shell ArmorSkill LinkOvercoat(Hidden Ability)

It's Super Effective

Damage multipliers Shellder takes from each attacking type, sorted from worst weakness to best resistance.

Weak to

Electric

Grass

Resists

Fire

0.5×

Water

0.5×

Ice

0.5×

Steel

0.5×

Growth

EV yield, catch rate, and experience details for this Pokémon.
Pokédexes
-
EV yield
1 Def
Catch rate
190
Base Exp.
61

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.
Egg Groups
Water 3
Gender
50% male
50% female
Egg cycles
20 (5,120 steps)

Lore

Version-specific Pokédex entries for this Pokémon.
Pokémon Brilliant Diamond box art

Brilliant Diamond

It swims backward by opening and closing its two shells. Its large tongue is always kept hanging out.

Pokémon Shining Pearl box art

Shining Pearl

It swims backward by opening and closing its two shells. Its large tongue is always kept hanging out.

Evolution

Evolution requirements shown in a compact table or chain view.
PokémonRequiresEvolution
Shellder

Shellder

#90

Water StoneUse Water Stone
Cloyster

Cloyster

#91

Encounters

Known encounter locations for this Pokémon in this game.
Brilliant Diamond
LocationMethodLevelChanceConditions

Valley Windworks

Fishing with a Super Rod20-4015%

-

Fuego Ironworks

Fishing with a Super Rod20-4015%

-

Route 205

Road 205 (south, towards Floaroma Town)

Fishing with a Super Rod20-4015%

-

Shining Pearl
LocationMethodLevelChanceConditions

Valley Windworks

Fishing with a Super Rod20-4015%

-

Fuego Ironworks

Fishing with a Super Rod20-4015%

-

Route 205

Road 205 (south, towards Floaroma Town)

Fishing with a Super Rod20-4015%

-

Held Items

Items this Pokémon may hold when encountered in the wild.
Big PearlBig Pearl
Brilliant Diamond
5%
Shining Pearl
5%
Brilliant Diamond
50%
Shining Pearl
50%

Moves

Moves this Pokémon learns naturally by reaching specific levels.
Class
Description
StartTackleNormalPhysical4010035

StartWater GunWaterSpecial4010025

4WithdrawWaterStatus--40

8Ice ShardIcePhysical4010030

12LeerNormalStatus-10030

16WhirlpoolWaterSpecial358515

20SupersonicNormalStatus-5520

24Aurora BeamIceSpecial6510020

28ProtectNormalStatus--10

32Razor ShellWaterPhysical759510

36Iron DefenseSteelStatus--15

40Ice BeamIceSpecial9010010

44Shell SmashNormalStatus--15

48Hydro PumpWaterSpecial110805

Machines

Moves this Pokémon can learn from Technical Machines and Technical Records in Pokémon Brilliant Diamond and Shining Pearl.
Class
Description
HM03SurfWaterSpecial9010015

-AttractNormalStatus-10015

-AvalancheIcePhysical6010010

-BlizzardIceSpecial110705

-BrineWaterSpecial6510010

-Double TeamNormalStatus--15

-EndureNormalStatus--10

-ExplosionNormalPhysical2501005

-FacadeNormalPhysical7010020

-HailIceStatus--10

-Ice BeamIceSpecial9010010

-PaybackDarkPhysical5010010

-ProtectNormalStatus--10

-Rain DanceWaterStatus--5

-RestPsychicStatus--5

-Sleep TalkNormalStatus--10

-SubstituteNormalStatus--10

-SwaggerNormalStatus-8515

-Water PulseWaterSpecial6010020

Breeding

Moves this Pokémon can inherit through breeding or similar methods.
Class
Description
Aqua RingWaterStatus--20

Bubble BeamWaterSpecial6510020

Icicle SpearIcePhysical2510030

Life DewWaterStatus--10

Mud ShotGroundSpecial559515

Rapid SpinNormalPhysical5010040

Rock BlastRockPhysical259010

ScreechNormalStatus-8540

Take DownNormalPhysical908520

Traits

Ability options available to this Pokémon in this game.

Shell Armor

Ability Slot 1

Protects against critical hits.

Skill Link

Ability Slot 2

Extends two-to-five-hit moves and Triple Kick to their full length every time.

Overcoat(Hidden Ability)

Protects against damage from weather.

#89

Muk

#91

Cloyster

Join Discord

Join a community of over 5,000+ other trainers.

discord.gg/dittobase
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.