Damage	10
Energy	10
Weather boost	Snow
Duration	1.0s
Damage window	0.4s - 0.7s

Damage	9
Energy	10

Damage	11
Energy	9
Weather boost	Snow
Duration	1.0s
Damage window	0.6s - 0.8s

Damage	7
Energy	5

Damage	65
Energy	33
Weather boost	Snow
Duration	3.5s
Damage window	2.2s - 3.0s

Damage	60
Energy	45

Damage	80
Energy	50
Weather boost	Snow
Duration	3.5s
Damage window	3.3s - 3.5s

Damage	80
Energy	60

Damage	85
Energy	50
Weather boost	Snow
Duration	2.5s
Damage window	1.5s - 1.9s

Damage	90
Energy	45

Damage	130
Energy	100
Weather boost	Snow
Duration	3.0s
Damage window	1.4s - 2.8s

Damage	140
Energy	75

Damage	135
Energy	100
Weather boost	Rain
Duration	3.5s
Damage window	1.1s - 3.2s

Damage	130
Energy	75

Damage	55
Energy	33
Weather boost	Rain
Duration	1.5s
Damage window	0.8s - 1.2s

Damage	35
Energy	35

Damage	70
Energy	33
Weather boost	Rain
Duration	3.0s
Damage window	2.0s - 2.7s

Damage	70
Energy	45

Cloyster

Cloyster is a Water- and Ice-type Pokémon in Pokémon GO. At level 50, Cloyster has a maximum CP of 2,880. It is weak to Electric, Fighting, Grass, and Rock-type attacks. The best raid moveset for Cloyster is Frost Breath and Avalanche.

Cloyster Stats and Max CP

186 ATK

256 DEF

137 HP

Lvl 50 Max CP

2880 CP

Lvl 40

2547 CP

Lvl 25 Weather Boost

1819 CP

Lvl 20 Raids/Eggs

1455 CP

Lvl 15 Research

1092 CP

Cloyster's Tier Ranking & Meta Analysis

Read meta analysis

Raid Attacker

Not ranked

Gym Defender

Water-type

Ice-type

Great League

Ultra League

Cloyster Type Chart

Cloyster takes increased damage from:

Electric160.0%

Fighting160.0%

Grass160.0%

Rock160.0%

Cloyster takes reduced damage from:

Ice39.1%

Water62.5%

Cloyster best moveset

Frost Breath + Avalanche

Frost Breath

Avalanche

The best Ice-type moveset for Cloyster is Frost Breath and Avalanche (10.79 DPS, 232.8 TDO). In raids, Cloyster ranks #62 among Ice-type attackers (C Tier).

14 of 14 matches

Data table

1.	Frost Breath	Razor Shell	10.06	11.20	241.7
2.	Ice Shard	Razor Shell	9.99	11.12	240.0
3.	Frost Breath	Avalanche	9.69	10.79	232.8
4.	Ice Shard	Avalanche	9.61	10.69	230.8
5.	Frost Breath	Blizzard	9.02	10.05	216.9
6.	Frost Breath	Liquidation	8.91	9.93	214.2
7.	Frost Breath	Hydro Pump	8.89	9.91	213.8
8.	Ice Shard	Blizzard	8.89	9.90	213.7

Rows per page1–8 of 14

Fast Attacks

Ice Shard10101.0s
Type effectiveness chart
Super effective against
Flying160%
Ground160%
Grass160%
Dragon160%
Resisted by
Steel62.5%
Fire62.5%
Water62.5%
Ice62.5%
Gym and Raid Battles
Damage 10
Energy 10
Weather boost
Snow
Duration 1.0s
Damage window 0.4s - 0.7s
Trainer Battles
Damage 9
Energy 10

Effects
Ice Shard has no special effects.
See Ice Shard details page ↗
Frost Breath1191.0s
Type effectiveness chart
Super effective against
Flying160%
Ground160%
Grass160%
Dragon160%
Resisted by
Steel62.5%
Fire62.5%
Water62.5%
Ice62.5%
Gym and Raid Battles
Damage 11
Energy 9
Weather boost
Snow
Duration 1.0s
Damage window 0.6s - 0.8s
Trainer Battles
Damage 7
Energy 5

Effects
Frost Breath has no special effects.
See Frost Breath details page ↗

Damage	10
Energy	10
Weather boost	Snow
Duration	1.0s
Damage window	0.4s - 0.7s

Damage	9
Energy	10

Damage	11
Energy	9
Weather boost	Snow
Duration	1.0s
Damage window	0.6s - 0.8s

Damage	7
Energy	5

Charged Attacks

Icy Wind65333.5s
Type effectiveness chart
Super effective against
Flying160%
Ground160%
Grass160%
Dragon160%
Resisted by
Steel62.5%
Fire62.5%
Water62.5%
Ice62.5%
Gym and Raid Battles
Damage 65
Energy 33
Weather boost
Snow
Duration 3.5s
Damage window 2.2s - 3.0s
Trainer Battles
Damage 60
Energy 45

Effects
Special
Icy Wind has a 100.0% chance to:
Decrease Target's Attack by 20.0%
See Icy Wind details page ↗
Aurora Beam80503.5s
Type effectiveness chart
Super effective against
Flying160%
Ground160%
Grass160%
Dragon160%
Resisted by
Steel62.5%
Fire62.5%
Water62.5%
Ice62.5%
Gym and Raid Battles
Damage 80
Energy 50
Weather boost
Snow
Duration 3.5s
Damage window 3.3s - 3.5s
Trainer Battles
Damage 80
Energy 60

Effects
Aurora Beam has no special effects.
See Aurora Beam details page ↗
Avalanche85502.5s
Type effectiveness chart
Super effective against
Flying160%
Ground160%
Grass160%
Dragon160%
Resisted by
Steel62.5%
Fire62.5%
Water62.5%
Ice62.5%
Gym and Raid Battles
Damage 85
Energy 50
Weather boost
Snow
Duration 2.5s
Damage window 1.5s - 1.9s
Trainer Battles
Damage 90
Energy 45

Effects
Avalanche has no special effects.
See Avalanche details page ↗
Blizzard *1301003.0s
Type effectiveness chart
Super effective against
Flying160%
Ground160%
Grass160%
Dragon160%
Resisted by
Steel62.5%
Fire62.5%
Water62.5%
Ice62.5%
Gym and Raid Battles
Damage 130
Energy 100
Weather boost
Snow
Duration 3.0s
Damage window 1.4s - 2.8s
Trainer Battles
Damage 140
Energy 75

Effects
Blizzard has no special effects.
See Blizzard details page ↗
Hydro Pump1351003.5s
Type effectiveness chart
Super effective against
Ground160%
Rock160%
Fire160%
Resisted by
Water62.5%
Grass62.5%
Dragon62.5%
Gym and Raid Battles
Damage 135
Energy 100
Weather boost
Rain
Duration 3.5s
Damage window 1.1s - 3.2s
Trainer Battles
Damage 130
Energy 75

Effects
Hydro Pump has no special effects.
See Hydro Pump details page ↗
Razor Shell55331.5s
Type effectiveness chart
Super effective against
Ground160%
Rock160%
Fire160%
Resisted by
Water62.5%
Grass62.5%
Dragon62.5%
Gym and Raid Battles
Damage 55
Energy 33
Weather boost
Rain
Duration 1.5s
Damage window 0.8s - 1.2s
Trainer Battles
Damage 35
Energy 35

Effects
Special
Razor Shell has a 50.0% chance to:
Decrease Target's Defense by 20.0%
See Razor Shell details page ↗
Liquidation70333.0s
Type effectiveness chart
Super effective against
Ground160%
Rock160%
Fire160%
Resisted by
Water62.5%
Grass62.5%
Dragon62.5%
Gym and Raid Battles
Damage 70
Energy 33
Weather boost
Rain
Duration 3.0s
Damage window 2.0s - 2.7s
Trainer Battles
Damage 70
Energy 45

Effects
Special
Liquidation has a 30.0% chance to:
Decrease Target's Defense by 20.0%
See Liquidation details page ↗

Damage	65
Energy	33
Weather boost	Snow
Duration	3.5s
Damage window	2.2s - 3.0s

Damage	60
Energy	45

Damage	80
Energy	50
Weather boost	Snow
Duration	3.5s
Damage window	3.3s - 3.5s

Damage	80
Energy	60

Damage	85
Energy	50
Weather boost	Snow
Duration	2.5s
Damage window	1.5s - 1.9s

Damage	90
Energy	45

Damage	130
Energy	100
Weather boost	Snow
Duration	3.0s
Damage window	1.4s - 2.8s

Damage	140
Energy	75

Damage	135
Energy	100
Weather boost	Rain
Duration	3.5s
Damage window	1.1s - 3.2s

Damage	130
Energy	75

Damage	55
Energy	33
Weather boost	Rain
Duration	1.5s
Damage window	0.8s - 1.2s

Damage	35
Energy	35

Damage	70
Energy	33
Weather boost	Rain
Duration	3.0s
Damage window	2.0s - 2.7s

Damage	70
Energy	45

More information

DPS and TDO for every Fast and Charged Attack combination Cloyster can learn. Change the weather or the opponent to see how the order shifts.

Legacy moves are marked with an asterisk (*). You get them at special events or with an Elite Fast TM or Elite Charged TM. The table above lists every move Cloyster can learn, with its DPS and TDO.

Cloyster CP Chart

At Level 50, Cloyster maxes out at 2,880 CP. Raid catches are 1,383 to 1,455 CP, or 1,729 to 1,819 CP weather boosted. Field and Special Research catches are 1,037 to 1,092 CP. The top of each range is a hundo.

Max CP	2880 CP
Max CP	Level 50, 15/15/15 IVs
Research	1037 CP - 1092 CP
Research	Level 15, 10/10/10 minimum IVs
Eggs	1383 CP - 1455 CP
Eggs	Level 20, 10/10/10 minimum IVs
Raids	1383 CP - 1455 CP
	Level 20, 10/10/10 minimum IVs
	1729 CP - 1819 CP
	Weather boosted, Level 25, 10/10/10 minimum IVs

Max Combat Power per Level chart

Cloyster’s max CP at every level from 1 to 50. CP Calculator

LVL	Max CP	LVL	Max CP	LVL	Max CP
1	36 CP	2	112 CP	3	189 CP
4	266 CP	5	343 CP	6	420 CP
7	497 CP	8	574 CP	9	651 CP
10	728 CP	11	800 CP	12	873 CP
13	946 CP	14	1019 CP	15	1092 CP
16	1164 CP	17	1237 CP	18	1310 CP
19	1383 CP	20	1455 CP	21	1528 CP
22	1601 CP	23	1674 CP	24	1747 CP
25	1819 CP	26	1892 CP	27	1965 CP
28	2038 CP	29	2111 CP	30	2184 CP
31	2220 CP	32	2256 CP	33	2293 CP
34	2329 CP	35	2366 CP	36	2402 CP
37	2438 CP	38	2475 CP	39	2511 CP
40	2547 CP	41	2580 CP	42	2612 CP
43	2645 CP	44	2678 CP	45	2711 CP
46	2745 CP	47	2778 CP	48	2812 CP
49	2846 CP	50	2880 CP

More information

Field and Special Research encounters are always Level 15, with a 10/10/10 IV floor.
Pokémon hatched from Eggs are always Level 20, with a 10/10/10 IV floor.
Raid Bosses caught without a weather boost are always Level 20, with a 10/10/10 IV floor.
- 😈 Shadow Pokémon have 6/6/6 IV floor in raids.
Raid Bosses caught with weather boost are always Level 25, with a 10/10/10 IV floor.
- 😈 Shadow Pokémon have 6/6/6 IV floor in raids.
Wild encounters range from Level 1 to 30, with no IV floor.
Weather Boosted wild Pokémon encounters get a 5-level boost, to Level 6 to 35, and a 4/4/4 IV floor.

Mega Pokémon that boost Cloyster

Mega Pokémon that boost Cloyster’s Water and Ice-type moves and give extra Candy and Candy XL when you catch Cloyster.

Water

Ice

More information

Mega and Primal Raid Bonus –In raids, an active Mega gives every other Pokémon a 10% damage boost, or 30% for attacks that share its type. Boosts from several Megas don’t stack; only the highest one applies.

Mega and Primal Catch Bonus –While you have a Mega out, you get extra XP and Candy for catching Pokémon that share its type, and for any raid boss. These bonuses don’t stack. At High and Max Mega Level, same-type catches also have a better chance of giving Candy XL.

Note on Primal Kyogre, Primal Groudon, and Mega Rayquaza

Primal Kyogre boosts Water-, Electric- and Bug-type attacks and Pokémon.
Primal Groudon boosts Fire-, Grass- and Ground-type attacks and Pokémon.
Mega Rayquaza boosts Flying-, Dragon- and Psychic-type attacks and Pokémon.

Pokédex information

Pokédex Number	#91
Height	1.5 m
Weight	132.5 kg
Region	Generation 1
Can be traded	Allowed
Gender	♂ 50% Male ♀ 50% Female
Buddy distance	3 km
Released	Yes
Shiny released	Yes
Pokémon Home transfer	Allowed
Base Flee Rate	0%
Catch rewards	5 1200
Additional Move Cost	50 50000

Evolution Chart

Pokémon	Requires	Evolution
Shellder	50 Candy	Cloyster

Shellder evolves into Cloyster which costs 50 Candy.

Cloyster family

Cloyster’s evolutions, regional forms and other variants in Pokémon GO.

Size information

The illustration compares it with a 1.70 m (5′07″) Trainer.

XXS	XS	M	XL	XXL

0.74 m	0.75 m	1.5 m	2.25 m	2.63 m

Size bounds

Cloyster's height ranges from 0.735 m to 2.625 m, with the average being 1.5 m.

Size	Lower bound	Upper bound
XXS	0.735 m2′05″	0.75 m2′06″
XS	0.75 m2′06″	1.125 m3′08″
M	1.125 m3′08″	1.875 m6′02″
XL	1.875 m6′02″	2.25 m7′05″
XXL	2.25 m7′05″	2.625 m8′07″

Encounter data

Movement type: Hovering
Movement Timer: 3s
Jump Time: 1s
Attack Probability: 10%
Attack Timer: 8s
Dodge Probability: 15%
Dodge Duration: 0.8s
Dodge Distance: 0.8
Action Frequency: 0.2–1.6s

Power-up costs

LVL	Stardust	Candy	Candy XL
50	520,000	304	296
40	280,000	304	10
35	190,000	196	-
30	125,000	126	-
25	80,000	87	-
20	47,500	58	-
15	25,500	38	-
10	11,000	19	-
5	3,000	9	-

Stardust, Candy and Candy XL to power up Cloyster from Level 1 to 15, 20, 25, 30, 35, 40 and 50. Maxing it out costs 520,000 Stardust, 304 Candy and 296 Candy XL.

Power-Up Cost Calculator

Sprites

Regular and Shiny Cloyster

Cloyster high resolution sprites

High-resolution Pokémon HOME sprites for Cloyster. Labels are our best match for each sprite. Click one to download it at 512×512.

Official artwork

Wallpaper

Cloyster Pokédex entries

Versions	Pokédex entry
Red, Blue	When attacked, it launches its horns in quickvolleys. Its innards have never been seen.
Yellow	For protection, it uses its harder- than-diamondsshell. It also shoots spikes from the shell.
Gold	Once it slams its shell shut, it is impossible toopen, even by those with superi or strength.
Silver	CLOYSTER that live in seas with harsh tidal currentsgrow large, sharp spikes on their shells.
Crystal	Even a missile can't break the spikes it uses tostab opponents. They're even hard er 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.
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.
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.
Diamond, Pearl, Platinum, Black, White, Black 2, White 2	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.
X	Cloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
Y, Sword	Its shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
Omega Ruby	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.
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-diamond shell. It also shoots spikes from the shell.
Shield	Once it slams its shell shut, it is impossible to open, even by those with superior strength.

Frequently Asked Questions

What are the best moves for Cloyster in Pokémon GO?

Cloyster’s best moves are Frost Breath and Avalanche, for 10.79 DPS and 232.8 TDO.

Values use the default battle settings. Results vary with the opponent and weather.

What are Cloyster’s strengths and weaknesses?

Water and Ice-type Pokémon are weak to Electric, Fighting, Grass, and Rock-type moves. They take reduced damage from Water and Ice-type moves.

How does Cloyster perform in Raids?

Cloyster ranks #118 among Water-type attackers (D Tier).

Cloyster ranks #62 among Ice-type attackers (C Tier).

What is Cloyster’s maximum CP at Level 40 and Level 50?

Cloyster tops out at 2,547 CP at Level 40 and 2,880 CP at Level 50.

Can Cloyster be shiny in Pokémon GO?

Cloyster can be Shiny in Pokémon GO ✨.

Can Cloyster Dynamax in Pokémon GO?

Cloyster cannot Dynamax in Pokémon GO.

What Mega Pokémon boost Cloyster?

The following Mega Pokémon boost Cloyster: Mega Blastoise, Mega Slowbro, Mega Starmie, Mega Gyarados, Mega Swampert, Mega Sharpedo, Primal Kyogre, Mega Greninja, Mega Glalie, and Mega Abomasnow.

Cloyster Stats and Max CP

Cloyster's Tier Ranking & Meta Analysis

Cloyster Type Chart

Cloyster takes increased damage from:

Cloyster takes reduced damage from:

Fast Attacks

Super effective against

Resisted by

Super effective against

Resisted by

Charged Attacks

Super effective against

Resisted by

Super effective against

Resisted by

Super effective against

Resisted by

Super effective against

Resisted by

Super effective against

Resisted by

Super effective against

Resisted by

Super effective against

Resisted by

Water

Ice

Evolution Chart

Cloyster family

Size bounds

Regular and Shiny Cloyster

Cloyster high resolution sprites

Official artwork

Wallpaper

What are the best moves for Cloyster in Pokémon GO?

What are Cloyster’s strengths and weaknesses?

How does Cloyster perform in Raids?

What is Cloyster’s maximum CP at Level 40 and Level 50?

Can Cloyster be shiny in Pokémon GO?

Can Cloyster Dynamax in Pokémon GO?

What Mega Pokémon boost Cloyster?

Overview and stats

Cloyster Stats and Max CP

Cloyster's Tier Ranking & Meta Analysis

Cloyster Type Chart

Cloyster takes increased damage from:

Cloyster takes reduced damage from:

Fast Attacks

Super effective against

Resisted by

Super effective against

Resisted by

Charged Attacks

Super effective against

Resisted by

Super effective against

Resisted by

Super effective against

Resisted by

Super effective against

Resisted by

Super effective against

Resisted by

Super effective against

Resisted by

Super effective against

Resisted by

Water

Ice

Evolution Chart

Cloyster family

Size bounds

Regular and Shiny Cloyster

Cloyster high resolution sprites

Official artwork

Wallpaper

What are the best moves for Cloyster in Pokémon GO?

What are Cloyster’s strengths and weaknesses?

How does Cloyster perform in Raids?

What is Cloyster’s maximum CP at Level 40 and Level 50?