Cloyster

Contents
Info
Base stats
Evolution chart
Pokédex entries
Moves learned
Sprites
Locations
Language

Cloyster is a Water/Ice type Pokémon introduced in Generation 1. It is known as the Bivalve Pokémon.

Pokédex data

National №	0091
Type	Water Ice
Species	Bivalve Pokémon
Height	1.5 m (4′11″)
Weight	132.5 kg (292.1 lbs)
Abilities	1. Shell Armor 2. Skill Link Overcoat (hidden ability)
Local №	0091 (Red/Blue/Yellow) 0170 (Gold/Silver/Crystal) 0091 (FireRed/LeafGreen) 0172 (HeartGold/SoulSilver) 0037 (X/Y — Coastal Kalos) 0116 (Sun/Moon — Alola dex) 0139 (U.Sun/U.Moon — Alola dex) 0091 (Let's Go Pikachu/Let's Go Eevee) 0151 (Sword/Shield) 0330 (Scarlet/Violet) 0132 (The Isle of Armor)

Training

EV yield	2 Defense
Catch rate	60 (7.8% with PokéBall, full HP)
Base Friendship	50 (normal)
Base Exp.	184
Growth Rate	Slow

Breeding

Egg Groups	Water 3
Gender	50% male, 50% female
Egg cycles	20 (4,884–5,140 steps)

Base stats

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
Total	525	Min	Max

The ranges shown on the right are for a level 100 Pokémon. Maximum values are based on a beneficial nature, 252 EVs, 31 IVs; minimum values are based on a hindering nature, 0 EVs, 0 IVs.

Type defenses

The effectiveness of each type on Cloyster.

Nor	Fir	Wat	Ele	Gra	Ice	Fig	Poi	Gro
		½	2	2	¼	2

Fly	Psy	Bug	Roc	Gho	Dra	Dar	Ste	Fai
			2

Evolution chart

#0090
Shellder
Water

(use Water Stone)

#0091
Cloyster
Water · Ice

Cloyster changes

In Generation 3, Cloyster does not have the Skill Link ability.
In Generation 1, Cloyster has a base Special stat of 85.
In Generations 1-4, Cloyster has a base experience yield of 203.
In Generations 2-7, Cloyster has a base Friendship value of 70.

Pokédex entries

Red Blue	When attacked, it launches its horns in quick volleys. Its innards have never been seen.
Yellow	For protection, it uses its harder-than-diamonds shell. It also shoots spikes from the shell.
Gold	Once it slams its shell shut, it is impossible to open, even by those with superior strength.
Silver	CLOYSTER that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
Crystal	Even a missile can’t break the spikes it uses to stab opponents. They’re even harder than its shell.
Ruby Sapphire	CLOYSTER is capable of swimming in the sea. It does so by swallowing water, then jetting it out toward the rear. This POKéMON shoots spikes from its shell using the same system.
FireRed	Its shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
LeafGreen	When attacked, it launches its horns in quick volleys. Its innards have never been seen.
Emerald	It swims in the sea by swallowing water, then jetting it out toward the rear. The CLOYSTER shoots spikes from its shell using the same system.
Diamond Pearl Platinum	It fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
HeartGold	Once it slams its shell shut, it is impossible to open, even by those with superior strength.
SoulSilver	CLOYSTER that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
Black White Black 2 White 2	It fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
X	Cloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
Y	Its shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
Omega Ruby Alpha Sapphire	Cloyster is capable of swimming in the sea. It does so by swallowing water, then jetting it out toward the rear. This Pokémon shoots spikes from its shell using the same system.
Sun	Its hard shell cannot be shattered—not even by a bomb. The contents of the shell remain unknown.
Moon	Excavation of the tombs of ancient hunting tribes has turned up many spears tipped with spikes that had fallen off this Pokémon’s shell.
Ultra Sun	If areas of Cloyster’s very hard shell get damaged, those areas swell, gradually growing into large sharp spikes.
Ultra Moon	Slowpoke tails are its favorite food. It has even been known to come up on land to look for Slowpoke from time to time.
Let's Go Pikachu Let's Go Eevee	For protection, it uses its harder-than-diamonds shell. It also shoots spikes from the shell.
Sword	Its shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
Shield	Once it slams its shell shut, it is impossible to open, even by those with superior strength.
Brilliant Diamond Shining Pearl	It fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
Scarlet	Cloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
Violet	When attacked, it launches its spikes in quick volleys. Its innards have never been seen.

Moves learned by Cloyster

In other generations
1
2
3
4
5
6
7
8
9

Scarlet/Violet Brilliant Diamond/Shining Pearl

Moves learnt by level up

Cloyster learns the following moves in Pokémon Scarlet & Violet at the levels specified.

Lv.	Move	Type	Power	Acc.
1	Aurora Beam	Ice	65	100
1	Hydro Pump	Water	110	80
1	Ice Beam	Ice	90	100
1	Ice Shard	Ice	40	100
1	Icicle Crash	Ice	85	90
1	Iron Defense	Steel	—	—
1	Leer	Normal	—	100
1	Protect	Normal	—	—
1	Shell Smash	Normal	—	—
1	Spikes	Ground	—	—
1	Supersonic	Normal	—	55
1	Tackle	Normal	40	100
1	Toxic Spikes	Poison	—	—
1	Water Gun	Water	40	100
1	Whirlpool	Water	35	85
1	Withdraw	Water	—	—
5	Razor Shell	Water	75	95

Moves learnt on evolution

Cloyster learns the following moves when it evolves in Pokémon Scarlet & Violet (regardless of level).

Move	Type	Cat.	Power	Acc.
Icicle Spear	Ice		25	100

Egg moves

Cloyster learns the following moves via breeding or picnics in Pokémon Scarlet & Violet. Details and compatible parents can be found on the Cloyster gen 9 learnset page.

Move	Type	Power	Acc.
Aqua Ring	Water	—	—
Bubble Beam	Water	65	100
Life Dew	Water	—	—
Water Pulse	Water	60	100

Moves learnt by TM

Cloyster is compatible with these Technical Machines in Pokémon Scarlet & Violet:

TM	Move	Type	Power	Acc.
01	Take Down	Normal	90	85
06	Scary Face	Normal	—	100
07	Protect	Normal	—	—
11	Water Pulse	Water	60	100
22	Chilling Water	Water	50	100
25	Facade	Normal	70	100
32	Swift	Normal	60	101
34	Icy Wind	Ice	55	95
35	Mud Shot	Ground	55	95
46	Avalanche	Ice	60	100
47	Endure	Normal	—	—
50	Rain Dance	Water	—	—
52	Snowscape	Ice	—	—
53	Smart Strike	Steel	70	—
66	Body Slam	Normal	85	100
70	Sleep Talk	Normal	—	—
75	Light Screen	Psychic	—	—
76	Rock Blast	Rock	25	90
77	Waterfall	Water	80	100
83	Poison Jab	Poison	80	100
85	Rest	Psychic	—	—
90	Spikes	Ground	—	—
91	Toxic Spikes	Poison	—	—
103	Substitute	Normal	—	—
104	Iron Defense	Steel	—	—
106	Drill Run	Ground	80	95
110	Liquidation	Water	85	100
123	Surf	Water	90	100
124	Ice Spinner	Ice	80	100
130	Helping Hand	Normal	—	—
135	Ice Beam	Ice	90	100
142	Hydro Pump	Water	110	80
143	Blizzard	Ice	110	70
152	Giga Impact	Normal	150	90
163	Hyper Beam	Normal	150	90
171	Tera Blast	Normal	80	100

Moves learnt by level up

Cloyster learns the following moves in Pokémon Brilliant Diamond & Shining Pearl at the levels specified.

Lv.	Move	Type	Power	Acc.
1	Aurora Beam	Ice	65	100
1	Hydro Pump	Water	110	80
1	Ice Beam	Ice	90	100
1	Ice Shard	Ice	40	100
1	Icicle Crash	Ice	85	90
1	Icicle Spear	Ice	25	100
1	Iron Defense	Steel	—	—
1	Leer	Normal	—	100
1	Protect	Normal	—	—
1	Razor Shell	Water	75	95
1	Shell Smash	Normal	—	—
1	Spikes	Ground	—	—
1	Supersonic	Normal	—	55
1	Tackle	Normal	40	100
1	Toxic Spikes	Poison	—	—
1	Water Gun	Water	40	100
1	Whirlpool	Water	35	85
1	Withdraw	Water	—	—

Moves learnt on evolution

Cloyster learns the following moves when it evolves in Pokémon Brilliant Diamond & Shining Pearl (regardless of level).

Move	Type	Cat.	Power	Acc.
Icicle Spear	Ice		25	100

Egg moves

Cloyster learns the following moves via breeding in Pokémon Brilliant Diamond & Shining Pearl. Details and compatible parents can be found on the Cloyster gen 8 learnset page.

Move	Type	Power	Acc.
Aqua Ring	Water	—	—
Bubble Beam	Water	65	100
Icicle Spear	Ice	25	100
Life Dew	Water	—	—
Mud Shot	Ground	55	95
Rapid Spin	Normal	50	100
Rock Blast	Rock	25	90
Screech	Normal	—	85
Take Down	Normal	90	85

Moves learnt by TM

Cloyster is compatible with these Technical Machines in Pokémon Brilliant Diamond & Shining Pearl:

TM	Move	Type	Power	Acc.
03	Water Pulse	Water	60	100
07	Hail	Ice	—	—
13	Ice Beam	Ice	90	100
14	Blizzard	Ice	110	70
15	Hyper Beam	Normal	150	90
16	Light Screen	Psychic	—	—
17	Protect	Normal	—	—
18	Rain Dance	Water	—	—
32	Double Team	Normal	—	—
41	Torment	Dark	—	100
42	Facade	Normal	70	100
44	Rest	Psychic	—	—
45	Attract	Normal	—	100
55	Brine	Water	65	100
58	Endure	Normal	—	—
64	Explosion	Normal	250	100
66	Payback	Dark	50	100
68	Giga Impact	Normal	150	90
72	Avalanche	Ice	60	100
82	Sleep Talk	Normal	—	—
84	Poison Jab	Poison	80	100
87	Swagger	Normal	—	85
90	Substitute	Normal	—	—
95	Surf	Water	90	100

In other generations
1
2
3
4
5
6
7
8
9

Cloyster sprites

Type	Generation 1	Generation 2	Generation 3	Generation 4	Generation 5	Generation 6	Generation 7	Generation 8	Generation 9
Normal
Shiny	—							—	—

See all Cloyster sprites

Where to find Cloyster

Red Blue Yellow	Evolve Shellder
Gold Silver Crystal	Evolve Shellder
Ruby Sapphire	Trade/migrate from another game
FireRed	Evolve Shellder
LeafGreen Emerald	Trade/migrate from another game
Diamond Pearl Platinum HeartGold SoulSilver	Evolve Shellder
Black White	Route 13, Undella Bay, Undella Town
Black 2 White 2	Route 13, Undella Town, Humilau City, Seaside Cave
X	Trade/migrate from another game
Y	Route 8
Omega Ruby Alpha Sapphire	Trade/migrate from another game
Sun Moon Ultra Sun Ultra Moon	Evolve Shellder
Let's Go Pikachu Let's Go Eevee	Seafoam Islands
Sword Shield	Giant's Seat, Courageous Cavern, Loop Lagoon
Brilliant Diamond Shining Pearl	Evolve Shellder
Legends: Arceus	Not available in this game
Scarlet Violet	Casseroya Lake, North Province (Area One), North Province (Area Three), East Province (Area One), East Province (Area Two), East Province (Area Three), South Province (Area One), South Province (Area Four), South Province (Area Five), South Province (Area Six), West Province (Area One), West Province (Area Two), Glaseado Mountain, North Paldean Sea, East Paldean Sea, South Paldean Sea, West Paldean Sea

Answers to Cloyster questions

Other languages

English	Cloyster
Japanese	パルシェン (Parshen)
German	Austos
French	Crustabri
Italian	Cloyster
Spanish	Cloyster
Korean	파르셀 (pareusel)
Chinese (Simplified)	刺甲贝
Chinese (Traditional)	刺甲貝

English	Bivalve Pokémon
Japanese	２まいがいポケモン
German	Muschel-Pokémon
French	Pokémon Bivalve
Italian	Pokémon Bivalve
Spanish	Pokémon Bivalvo
Korean	두조개포켓몬
Chinese (Simplified)	双壳贝宝可梦
Chinese (Traditional)	雙殼貝寶可夢

Name origin

clam: marine creature
oyster: marine creature
cloister: to confine or seclude oneself