Essentials
Abilities
- Shell Armor
Protects against critical hits.
- Skill Link
Extends two-to-five-hit moves and Triple Kick to their full length every time.
Hidden Ability
- Overcoat
Protects against damage from weather.
Damage Taken
Pokédex Numbers
- Introduced in

- National
- 91
- Kanto
-
91




- Original Johto
-
170


- Updated Johto
-
172

Names
- Chinese

- 鐵甲貝
- German

- Austos
- French

- Crustabri
- Korean

- 파르셀
- Japanese

- パルシェン (parushen)
- Official roomaji

- Parshen
Breeding
Compatibility
Evolution
| Baby | Basic | Stage 1 | Stage 2 |
|---|---|---|---|
| Shellder | Cloyster Use a Water Stone |
Stats
| Pctile | Min IVs | Max IVs | ||
|---|---|---|---|---|
| HP | 23.9 | 273 | 304 | |
| Attack | 75.6 | 258 | 289 | |
| Defense | 99.4 | 428 | 459 | |
| Special Attack | 71.1 | 238 | 269 | |
| Special Defense | 17.9 | 158 | 189 | |
| Speed | 57.5 | 208 | 239 | |
| Total | 83.9 |

Pokéathlon Performance
Minimum;
Base;
Maximum
- Speed


- Power





- Skill

- Stamina




- Jump


- Total
- 8/12/14
Flavor
Flavor Text

-



It fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.

Once it slams its shell shut, it is impossible to open, even by those with superior strength.

CLOYSTER that live in seas with harsh tidal currents grow large, sharp spikes on their shells.

-




It fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
Sprites
Height
4'11.1"
1.5 m
Weight
292.1 lb
132.5 kg
Locations
- Black

- White

- Black 2

- White 2

Pal Park
- Area
- Sea
- Score
- 70
- Rate
- 20
Moves
Water and Ice moves get STAB, and have their type highlighted in green.
Physical moves better suit Cloyster's higher Attack, and have their class highlighted in green.
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Move | Type | Class | PP | Power | Acc | Pri | Effect |
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| Level up: Learned when a Pokémon reaches a certain level. | |||||||||||||||
| — | — | — | Toxic Spikes | ![]() |
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20 | — | — | Scatters poisoned spikes, poisoning opposing Pokémon that switch in. |
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| — | — | — | — | — | — | — | — | Withdraw | ![]() |
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40 | — | — | Raises the user's Defense by one stage. |
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| — | — | — | — | — | — | — | — | Supersonic | ![]() |
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20 | — | 55% | Confuses the target. |
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| — | — | — | — | — | — | Aurora Beam | ![]() |
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20 | 65 | 100% | Has a 10% chance to lower the target's Attack by one stage. |
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| — | Clamp | ![]() |
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15 | 35 | 85% | Prevents the target from fleeing and inflicts damage for 2-5 turns. |
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| — | — | — | — | — | — | — | Protect | ![]() |
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10 | — | — | 4 | Prevents any moves from hitting the user this turn. |
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| — | — | Aurora Beam | ![]() |
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20 | 65 | 100% | Has a 10% chance to lower the target's Attack by one stage. |
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| 50 | 41 | 13 | Spike Cannon | ![]() |
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15 | 20 | 100% | Hits 2-5 times in one turn. |
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| 33 | 33 | 36 | 28 | 28 | 28 | Spikes | ![]() |
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20 | — | — | Scatters Spikes, hurting opposing Pokémon that switch in. |
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| 52 | Icicle Crash | ![]() |
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10 | 85 | 90% | Has a 30% chance to make the target flinch. |
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| 41 | 41 | 43 | 40 | 40 | Spike Cannon | ![]() |
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15 | 20 | 100% | Hits 2-5 times in one turn. |
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| Level up, learned by Shellder but not Cloyster | |||||||||||||||
| — | — | — | — | — | — | — | — | Tackle | ![]() |
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35 | 50 | 100% | Inflicts regular damage with no additional effect. |
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| 8 | 13 | 13 | 13 | Icicle Spear | ![]() |
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30 | 25 | 100% | Hits 2-5 times in one turn. |
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| 39 | 33 | 33 | 33 | 36 | 20 | 20 | 20 | Leer | ![]() |
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30 | — | 100% | Lowers the target's Defense by one stage. |
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| 41 | 41 | 41 | 43 | 25 | 25 | 25 | Clamp | ![]() |
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15 | 35 | 85% | Prevents the target from fleeing and inflicts damage for 2-5 turns. |
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| 28 | 28 | 28 | Ice Shard | ![]() |
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30 | 40 | 100% | 1 | Inflicts regular damage with no additional effect. |
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| 37 | 37 | Whirlpool | ![]() |
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15 | 35 | 85% | Prevents the target from leaving battle and inflicts 1/16 its max HP in damage for 2-5 turns. |
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| 40 | 40 | Iron Defense | ![]() |
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15 | — | — | Raises the user's Defense by two stages. |
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| 32 | Razor Shell | ![]() |
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10 | 75 | 95% | Has a 50% chance to lower the target's Defense by one stage. |
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| 40 | Whirlpool | ![]() |
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15 | 35 | 85% | Prevents the target from leaving battle and inflicts 1/16 its max HP in damage for 2-5 turns. |
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| 44 | 44 | 44 | Brine | ![]() |
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10 | 65 | 100% | Has double power against Pokémon that have less than half their max HP remaining. |
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| 49 | Iron Defense | ![]() |
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15 | — | — | Raises the user's Defense by two stages. |
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| 50 | 49 | 49 | 49 | 50 | 49 | 49 | 52 | Ice Beam | ![]() |
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10 | 95 | 100% | Has a 10% chance to freeze the target. |
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| 56 | Shell Smash | ![]() |
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15 | — | — | Raises user's Attack, Special Attack, and Speed by two stages. Lower user's Defense and Special Defense by one stage. |
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| 61 | Hydro Pump | ![]() |
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5 | 120 | 80% | Inflicts regular damage with no additional effect. |
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Move | Type | Class | PP | Power | Acc | Pri | Effect |
| Egg: Appears on a newly-hatched Pokémon, if the father had the same move. | |||||||||||||||
| Egg, learned by Shellder but not Cloyster | |||||||||||||||
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Aqua Ring | ![]() |
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20 | — | — | Restores 1/16 of the user's max HP each turn. |
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Avalanche | ![]() |
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10 | 60 | 100% | -4 | Inflicts double damage if the user takes damage before attacking this turn. |
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Barrier | ![]() |
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30 | — | — | Raises the user's Defense by two stages. |
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BubbleBeam | ![]() |
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20 | 65 | 100% | Has a 10% chance to lower the target's Speed by one stage. |
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Icicle Spear | ![]() |
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30 | 25 | 100% | Hits 2-5 times in one turn. |
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Mud Shot | ![]() |
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15 | 55 | 95% | Has a 100% chance to lower the target's Speed by one stage. |
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Rapid Spin | ![]() |
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40 | 20 | 100% | Frees the user from binding moves, removes Leech Seed, and blows away Spikes. |
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Rock Blast | ![]() |
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10 | 25 | 90% | Hits 2-5 times in one turn. |
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Screech | ![]() |
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40 | — | 85% | Lowers the target's Defense by two stages. |
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Take Down | ![]() |
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20 | 90 | 85% | User receives 1/4 the damage it inflicts in recoil. |
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Twineedle | ![]() |
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20 | 25 | 100% | Hits twice in the same turn. Has a 20% chance to poison the target. |
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Water Pulse | ![]() |
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20 | 60 | 100% | Has a 20% chance to confuse the target. |
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Move | Type | Class | PP | Power | Acc | Pri | Effect |
| Tutor: Can be taught at any time by an NPC. | |||||||||||||||
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Dive | ![]() |
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10 | 80 | 100% | User dives underwater, dodging all attacks, and hits next turn. |
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Double-Edge | ![]() |
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15 | 120 | 100% | User receives 1/3 the damage inflicted in recoil. |
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Endure | ![]() |
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10 | — | — | 4 | Prevents the user's HP from lowering below 1 this turn. |
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Explosion | ![]() |
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5 | 250 | 100% | User faints. |
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Ice Beam | ![]() |
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10 | 95 | 100% | Has a 10% chance to freeze the target. |
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Icy Wind | ![]() |
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15 | 55 | 95% | Has a 100% chance to lower the target's Speed by one stage. |
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Iron Defense | ![]() |
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15 | — | — | Raises the user's Defense by two stages. |
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Mimic | ![]() |
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10 | — | — | Copies the target's last used move. |
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Selfdestruct | ![]() |
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5 | 200 | 100% | User faints. |
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Signal Beam | ![]() |
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15 | 75 | 100% | Has a 10% chance to confuse the target. |
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Sleep Talk | ![]() |
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10 | — | — | Randomly uses one of the user's other three moves. Only works if the user is sleeping. |
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Snore | ![]() |
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15 | 40 | 100% | Has a 30% chance to make the target flinch. Only works if the user is sleeping. |
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Substitute | ![]() |
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10 | — | — | Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks. |
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Swagger | ![]() |
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15 | — | 90% | Raises the target's Attack by two stages and confuses the target. |
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Swift | ![]() |
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20 | 60 | — | Never misses. |
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Move | Type | Class | PP | Power | Acc | Pri | Effect |
| Machine: Can be taught at any time by using a TM or HM. | |||||||||||||||
| 03 | 03 | 03 | 03 | Water Pulse | ![]() |
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20 | 60 | 100% | Has a 20% chance to confuse the target. |
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| 03 | 03 | Curse | ![]() |
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10 | — | — | Ghosts pay half their max HP to hurt the target every turn. Others decrease Speed but raise Attack and Defense. |
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| 06 | 06 | 06 | 06 | 06 | 06 | 06 | 06 | Toxic | ![]() |
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10 | — | 90% | Badly poisons the target, inflicting more damage every turn. |
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| 09 | Take Down | ![]() |
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20 | 90 | 85% | User receives 1/4 the damage it inflicts in recoil. |
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| 10 | Double-Edge | ![]() |
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15 | 120 | 100% | User receives 1/3 the damage inflicted in recoil. |
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| 11 | BubbleBeam | ![]() |
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20 | 65 | 100% | Has a 10% chance to lower the target's Speed by one stage. |
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| 12 | Water Gun | ![]() |
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25 | 40 | 100% | Inflicts regular damage with no additional effect. |
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| 07 | 07 | 07 | 07 | 07 | Hail | ![]() |
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10 | — | — | Changes the weather to a hailstorm for five turns. |
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| 10 | 10 | 10 | 10 | 10 | 10 | 10 | Hidden Power | ![]() |
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15 | * | 100% | Power and type depend upon user's IVs. Power can range from 30 to 70. |
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| 13 | 13 | Snore | ![]() |
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15 | 40 | 100% | Has a 30% chance to make the target flinch. Only works if the user is sleeping. |
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| 13 | 13 | 13 | 13 | 13 | 13 | Ice Beam | ![]() |
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10 | 95 | 100% | Has a 10% chance to freeze the target. |
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| 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | Blizzard | ![]() |
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5 | 120 | 70% | Has a 10% chance to freeze the target. |
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| 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | Hyper Beam | ![]() |
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5 | 150 | 90% | User foregoes its next turn to recharge. |
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| 20 | Rage | ![]() |
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20 | 20 | 100% | If the user is hit after using this move, its Attack rises by one stage. |
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| 30 | Teleport | ![]() |
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20 | — | — | Immediately ends wild battles. No effect otherwise. |
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| 31 | Mimic | ![]() |
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10 | — | — | Copies the target's last used move. |
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| 16 | 16 | Icy Wind | ![]() |
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15 | 55 | 95% | Has a 100% chance to lower the target's Speed by one stage. |
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| 17 | 17 | 17 | 17 | 17 | 17 | 17 | Protect | ![]() |
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10 | — | — | 4 | Prevents any moves from hitting the user this turn. |
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| 18 | 18 | 18 | 18 | 18 | 18 | 18 | Rain Dance | ![]() |
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5 | — | — | Changes the weather to rain for five turns. |
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| 20 | 20 | Endure | ![]() |
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10 | — | — | 4 | Prevents the user's HP from lowering below 1 this turn. |
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| 21 | 21 | 21 | 21 | 21 | 21 | 21 | Frustration | ![]() |
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20 | * | 100% | Power increases as happiness decreases, up to a maximum of 102. |
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| 27 | 27 | 27 | 27 | 27 | 27 | 27 | Return | ![]() |
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20 | * | 100% | Power increases with happiness, up to a maximum of 102. |
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| 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | Double Team | ![]() |
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15 | — | — | Raises the user's evasion by one stage. |
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| 41 | 41 | 41 | 41 | 41 | Torment | ![]() |
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15 | — | 100% | Prevents the target from using the same move twice in a row. |
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| 42 | 42 | 42 | 42 | 42 | Facade | ![]() |
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20 | 70 | 100% | Power doubles if user is burned, paralyzed, or poisoned. |
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| 43 | 43 | 43 | 43 | Secret Power | ![]() |
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20 | 70 | 100% | Has a 30% chance to inflict a status effect which depends upon the terrain. |
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| 34 | 34 | Swagger | ![]() |
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15 | — | 90% | Raises the target's Attack by two stages and confuses the target. |
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| 35 | 35 | Sleep Talk | ![]() |
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10 | — | — | Randomly uses one of the user's other three moves. Only works if the user is sleeping. |
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| 33 | Reflect | ![]() |
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20 | — | — | Reduces damage from physical attacks by half. |
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| 34 | Bide | ![]() |
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10 | * | — | 1 | User waits for two turns, then hits back for twice the damage it took. |
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| 36 | Selfdestruct | ![]() |
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5 | 200 | 100% | User faints. |
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| 39 | 39 | 39 | Swift | ![]() |
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20 | 60 | — | Never misses. |
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| 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | Rest | ![]() |
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10 | — | — | User sleeps for two turns, completely healing itself. |
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| 47 | Explosion | ![]() |
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5 | 250 | 100% | User faints. |
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| 49 | Tri Attack | ![]() |
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10 | 80 | 100% | Has a 20% chance to burn, freeze, or paralyze the target. |
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| 45 | 45 | 45 | 45 | 45 | 45 | 45 | Attract | ![]() |
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15 | — | 100% | Target falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user. |
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| 55 | 55 | Brine | ![]() |
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10 | 65 | 100% | Has double power against Pokémon that have less than half their max HP remaining. |
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| 58 | 58 | Endure | ![]() |
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10 | — | — | 4 | Prevents the user's HP from lowering below 1 this turn. |
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| 48 | Round | ![]() |
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15 | 60 | 100% | Has double power if it's used more than once per turn. |
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| 64 | 64 | 64 | Explosion | ![]() |
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5 | 250 | 100% | User faints. |
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| 66 | 66 | 66 | Payback | ![]() |
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10 | 50 | 100% | Power is doubled if the target has already moved this turn. |
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| 68 | 68 | 68 | Giga Impact | ![]() |
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5 | 150 | 90% | User foregoes its next turn to recharge. |
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| 79 | Frost Breath | ![]() |
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10 | 40 | 90% | Always scores a critical hit. |
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| 72 | 72 | Avalanche | ![]() |
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10 | 60 | 100% | -4 | Inflicts double damage if the user takes damage before attacking this turn. |
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| 78 | 78 | Captivate | ![]() |
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20 | — | 100% | Lowers the target's Special Attack by two stages if it's the opposite gender. |
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| 82 | 82 | Sleep Talk | ![]() |
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10 | — | — | Randomly uses one of the user's other three moves. Only works if the user is sleeping. |
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| 83 | 83 | Natural Gift | ![]() |
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15 | * | 100% | Power and type depend on the held berry. |
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| 84 | 84 | 84 | Poison Jab | ![]() |
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20 | 80 | 100% | Has a 30% chance to poison the target. |
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| 87 | 87 | 87 | Swagger | ![]() |
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15 | — | 90% | Raises the target's Attack by two stages and confuses the target. |
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| 50 | 90 | 90 | 90 | Substitute | ![]() |
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10 | — | — | Transfers 1/4 of the user's max HP into a doll, protecting the user from further damage or status changes until it breaks. |
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| H3 | H3 | H3 | H3 | H3 | H3 | H3 | H3 | Surf | ![]() |
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15 | 95 | 100% | Inflicts regular damage and can hit Dive users. |
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| H8 | H8 | H6 | Dive | ![]() |
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10 | 80 | 100% | User dives underwater, dodging all attacks, and hits next turn. |
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| H6 | H6 | H5 | Whirlpool | ![]() |
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15 | 35 | 85% | Prevents the target from leaving battle and inflicts 1/16 its max HP in damage for 2-5 turns. |
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½ male, ½ female



Pearl
Big Pearl
sea

Pomaceous



