Cloyster #170(Nat. #0091)

The Bivalve Pokémon

Typing	WaterIce
Classification	The Bivalve Pokémon
National ID	#0091
Regional ID	#0170
How to get	Evolves from Shellder with a Water Stone

Type Effectiveness

Weak x2

FightingRockGrassElectric

Resists x½

Water

Resists x¼

Ice

View all Typings:

Sprite and Official Artwork

Base Stats

Stat	Amount	Stat Range
HP	50	110—157
Attack	95	100—147
Defense	180	185—232
Sp. Attack	85	90—137
Sp. Defense	45	50—97
Speed	70	75—122
Total	525	Calculated

Calculated stats: Lv. 50

Lv. 100

Evolutionary Family

Use Water Stone

Where to Find

Evolve it from an earlier stage.

Trade from Gold & Silver, Yellow, Red & Blue

Breeding and Species Information

Egg Group(s)	Water 3
Egg Cycles	20
Egg Steps	5120
Gender Ratio	50.00%50.00%
Height	1.5 m (4'11")
Weight	132.5 kg (292.1 lbs.)

Battle Information

EV Yield	50 HP 95 Attack 180 Defense 85 Sp. Attack 45 Sp. Defense 70 Speed
Base Exp. Yield	203
Catch Rate	60
Catch Chance	~8.2% Success (Poké Ball, Lvl. 50, Full HP)
Exp. Growth Rate	Slow
Base Friendship	70

Pokédex Entries

Crystal

"Even a missile can't break the spikes it uses to stab opponents. They're even hard er than its shell."

Learnset

Level-up Pre-evo Tutor TM HM Transfer

Learnset via Level-up

The following moves are learned by Cloyster via level-up in Pokémon Crystal:

Level	Name	Power	Acc.	Type	Cat.
1	Aurora Beam	65	100	Ice	Spec.
1	Protect	—	—	Normal	Stat.
1	Supersonic	—	55	Normal	Stat.
1	Withdraw	—	—	Water	Stat.
33	Spikes	—	—	Ground	Stat.
41	Spike Cannon	20	100	Normal	Phys.

Pre-evolution Moves

The following moves are learned by Cloyster via a pre-evolution:

Name	Power	Acc.	Type	Cat.
Barrier (Shellder)Egg	—	—	Psychic	Stat.
Bubble Beam (Shellder)Egg	65	100	Water	Spec.
Clamp (Shellder)Levelup	35	75	Water	Spec.
Leer (Shellder)Levelup	—	100	Normal	Stat.
Rapid Spin (Shellder)Egg	20	100	Normal	Phys.
Screech (Shellder)Egg	—	85	Normal	Stat.
Tackle (Shellder)Levelup	35	95	Normal	Phys.
Take Down (Shellder)Egg	90	85	Normal	Phys.

Tutor Moves

The following moves are learned by Cloyster as Tutor Moves in Pokémon Crystal:

Name	Power	Acc.	Type	Cat.
Ice Beam	95	100	Ice	Spec.

Tutor moves can only be learned by visiting a special Move Tutor.

Learnset via TM

The following moves are learned by Cloyster via TM in Pokémon Crystal:

TM	Name	Power	Acc.	Type	Cat.
TM003	Curse	—	—	???	Stat.
TM006	Toxic	—	85	Poison	Stat.
TM010	Hidden Power	1	100	Normal	Phys.
TM013	Snore	40	100	Normal	Phys.
TM014	Blizzard	120	70	Ice	Spec.
TM015	Hyper Beam	150	90	Normal	Phys.
TM016	Icy Wind	55	95	Ice	Spec.
TM017	Protect	—	—	Normal	Stat.
TM018	Rain Dance	—	—	Water	Stat.
TM020	Endure	—	—	Normal	Stat.
TM021	Frustration	1	100	Normal	Phys.
TM027	Return	1	100	Normal	Phys.
TM032	Double Team	—	—	Normal	Stat.
TM034	Swagger	—	90	Normal	Stat.
TM035	Sleep Talk	—	—	Normal	Stat.
TM039	Swift	60	—	Normal	Phys.
TM044	Rest	—	—	Psychic	Stat.
TM045	Attract	—	100	Normal	Stat.

Learnset via HM

The following moves are learned by Cloyster via HM in Pokémon Crystal:

TM	Name	Power	Acc.	Type	Cat.
HM03	Surf	95	100	Water	Spec.
HM06	Whirlpool	15	70	Water	Spec.

Transfer Moves

The following moves are learned by Cloyster via Transfer from an older game:

Name	Origin Games	Power	Acc.	Type	Cat.
Bide	RBY	1	100	Normal	Phys.
Double-Edge	RBY	120	100	Normal	Phys.
Explosion	RBY	250	100	Normal	Phys.
Mimic	RBY	—	100	Normal	Stat.
Rage	RBY	20	100	Normal	Phys.
Reflect	RBY	—	—	Psychic	Stat.
Self-Destruct	RBY	200	100	Normal	Phys.
Substitute	RBY	—	—	Normal	Stat.
Teleport	RBY	—	—	Psychic	Stat.
Tri Attack	RBY	80	100	Normal	Phys.
Water Gun	RBY	40	100	Water	Spec.