Cloyster¶

Bivalve Pokémon

#091

Water Ice

Cloyster ROM Changes

Abilities Changes:

shell-armor / skill-link → skill-link / shell-armor

Level-up Moves Changes:

7 moves → 11 moves

Machine Moves Changes:

31 moves → 32 moves (added: waterfall)

Basic Information¶

Abilities
- Skill Link
- Shell Armor
Physical Attributes

Height: 1.5 m

Weight: 132.5 kg
Training

Base Experience: 203

Base Happiness: 70

Capture Rate: 60

Growth Rate: Slow

Habitat: Sea

EV Yield: +2 Defense
Breeding

Gender Ratio: 50.0% ♂ / 50.0% ♀

Egg Groups: Water3

Hatch Counter: 0 cycles
Classification

Generation: Generation I

Color: Purple

Shape: Ball

Wild Held Items¶

These items can be found when catching or defeating this Pokémon in the wild:

Item	Platinum	Diamond	Pearl	Heartgold	Soulsilver
Big Pearl	—	—	—	—	—
Pearl	—	—	—	—	—

Type Effectiveness¶

Weak To

2× Damage

Electric Fighting Grass Rock
Resists

¼× Damage

Ice

½× Damage

Water

Base Stats¶

Stat	Base	Min	Max
HP	50	210	304
Attack	95	175	317
Defense	180	328	504
Sp. Atk	85	157	295
Sp. Def	45	85	207
Speed	70	130	262
Base Stat Total	525

Min/Max Stats: Calculated at Level 100.

Min: 0 IVs, 0 EVs, hindering nature (0.9×) for non-HP stats

Max: 31 IVs, 252 EVs, beneficial nature (1.1×) for non-HP stats

Evolution Chain¶

Stage 1¶

#090 Shellder

Stage 2¶

#091 Cloyster

Use Water Stone

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Pokédex Entries¶

Platinum Diamond Pearl Heartgold Soulsilver

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.

Moves¶

Level-Up TM/HM Egg Moves Tutor

Level	Move	Type	Category	Power	Accuracy	PP
1	Hydro Pump	Water	Special	110	80	5
1	Toxic Spikes	Poison	Status	—	—	20
1	Withdraw	Water	Status	—	—	40
1	Supersonic	Normal	Status	—	55	20
1	Protect	Normal	Status	—	—	10
1	Aurora Beam	Ice	Special	75	100	15
19	Spike Cannon	Normal	Physical	20	100	15
25	Spikes	Ground	Status	—	—	20
31	Twineedle	Bug	Physical	25	100	20
37	Rock Blast	Rock	Physical	25	90	10
43	Icicle Crash	Ice	Physical	85	90	10

Move	Type	Category	Power	Accuracy	PP
Attract	Normal	Status	—	100	15
Avalanche	Ice	Physical	60	100	10
Blizzard	Ice	Special	110	70	5
Brine	Water	Special	65	100	10
Captivate	Normal	Status	—	100	20
Double Team	Normal	Status	—	—	15
Endure	Normal	Status	—	—	10
Explosion	Normal	Physical	250	100	5
Facade	Normal	Physical	70	100	20
Frustration	Normal	Physical	—	100	20
Giga Impact	Normal	Physical	150	90	5
Hail	Ice	Status	—	—	10
Hidden Power	Normal	Special	60	100	15
Hyper Beam	Normal	Special	150	90	5
Ice Beam	Ice	Special	90	100	10
Natural Gift	Normal	Physical	—	100	15
Payback	Dark	Physical	50	100	10
Poison Jab	Poison	Physical	80	100	20
Protect	Normal	Status	—	—	10
Rain Dance	Water	Status	—	—	5
Rest	Psychic	Status	—	—	5
Return	Normal	Physical	—	100	20
Secret Power	Normal	Physical	70	100	20
Sleep Talk	Normal	Status	—	—	10
Substitute	Normal	Status	—	—	10
Surf	Water	Special	90	100	15
Swagger	Normal	Status	—	85	15
Torment	Dark	Status	—	100	15
Toxic	Poison	Status	—	90	10
Water Pulse	Water	Special	60	100	20
Waterfall	Water	Physical	80	100	15
Whirlpool	Water	Special	35	85	15

No egg moves available

Move	Type	Category	Power	Accuracy	PP
Dive	Water	Physical	80	100	10
Icy Wind	Ice	Special	55	95	15
Iron Defense	Steel	Status	—	—	15
Signal Beam	Bug	Special	75	100	15
Snore	Normal	Special	50	100	15
Swift	Normal	Special	60	—	20