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Pokédex / #091 cloyster ← #090 shellder #092 gastly →
cloyster
water ice

#091 cloyster

Bivalve Pocket Monster — When attacked, it launches its horns in quick volleys. Its innards have never been seen.

Base stats

HP 50
Attack 95
Defense 180
Sp. Atk 85
Sp. Def 45
Speed 70
Total 525

Profile

Height
1.5 m
Weight
132.5 kg
Capture rate
60 / 255
Growth
slow
Gender
50% ♂ / 50% ♀
Egg groups
water3
Base EXP
184

Evolution

shellder → cloyster

use-item · Lv 20 · water stone

How hard is it to catch

Its capture rate of 60 is an input to the formula, not a chance — so here is what that number is actually worth with each ball you can get, thrown the way the game throws: at a wild you have already beaten.

Ball Chance With a type medal Gold per catch
Poké Ball (×0.65) 2.5% 5.1% 7,108
Great Ball (×1.5) 5.8% 11.7% 9,241
Ultra Ball (×2.0) 7.8% 15.6% 13,861

Every throw is an independent roll, and a miss spends the ball anyway. The medal column is a maxed type medal for this species' type — the one multiplier here you can grow. A shiny is far harder than any of these, and only the Master Ball ignores the roll entirely.

Gold per catch is the ball's shop price divided by its chance — what an average catch costs you. A stronger ball is usually not the cheaper one: what it buys is fewer throws, which on a hunt you leave running is time and bag space rather than money.

Moves

Learned by leveling up

Level Move Type Class Power
1 Aurora Beam Aurora Beam ice special Power 65 Accuracy 100% Cooldown 2.6s Range (px) 180 ATK -1 Has a chance to lower the target’s Attack by one stage. ice special 65
1 Clamp Clamp water physical Power 35 Accuracy 85% Cooldown 2.6s Range (px) 90 trap 100% Roots the target for 4 s, damaging it the whole time. water physical 35
1 Supersonic Supersonic normal status Power — Accuracy 55% Cooldown 11.0s Range (px) 140 confusion Cast 1.5s Confuses the target. normal status —
1 Withdraw Withdraw water status Power — Accuracy — Cooldown 6.0s Range (px) 140 DEF +1 Raises the user’s Defense by one stage. water status —
50 Spike Cannon Spike Cannon normal physical Power 20 Accuracy 100% Cooldown 2.4s Range (px) 140 Hits 2–5 Hits 2-5 times in a single cast. normal physical 20

Learned by TM / HM

Move Type Class Power
Bide Bide normal physical Power — Accuracy — Cooldown 6.0s Range (px) 140 Bide Stores damage for 2 s, then strikes back for twice the total. normal physical —
Blizzard Blizzard ice special Power 300 Accuracy 90% Cooldown 9.0s Range (px) 140 AoE (px) 90 freeze 10% Cast 2s Has a chance to freeze the target. ice special 300
Bubble Beam Bubble Beam water special Power 65 Accuracy 100% Cooldown 2.6s Range (px) 180 SPE -1 Has a chance to lower the target’s Speed by one stage. water special 65
Double Edge Double Edge normal physical Power 120 Accuracy 100% Cooldown 4.6s Range (px) 90 Recoil 33% Cast 1.5s User receives 1/3 the damage inflicted in recoil. normal physical 120
Double Team Double Team normal status Power — Accuracy — Cooldown 6.0s Range (px) 140 EVA +1 Raises the user’s evasion by one stage. normal status —
Explosion Explosion normal physical Power 250 Accuracy 100% Cooldown 12.0s Range (px) 140 AoE (px) 90 Cast 1.5s User faints User faints. normal physical 250
Hyper Beam Hyper Beam normal special Power 450 Accuracy 90% Cooldown 11.0s Range (px) 180 Cast 3s An enormous blast. Needs a long time before it can be used again. normal special 450
Ice Beam Ice Beam ice special Power 90 Accuracy 100% Cooldown 3.7s Range (px) 180 freeze 10% Has a chance to freeze the target. ice special 90
Mimic Mimic normal status Power — Accuracy — Cooldown 0.0s Range (px) 140 Mimic Borrows the target’s last used move into this slot. Once the borrowed move has been used and finished its cooldown, the slot goes back to Mimic. normal status —
Rage Rage normal physical Power 20 Accuracy 100% Cooldown 1.0s Range (px) 90 Rage For 8 s, the user's Attack rises by one stage each time it is hit. normal physical 20
Reflect Reflect psychic status Power — Accuracy — Cooldown 22.0s Range (px) 140 Halves physical Halves incoming physical damage for 20 s. psychic status —
Rest Rest psychic status Power — Accuracy — Cooldown 25.0s Range (px) 140 Channel 6s Full heal + sleep The user sleeps for 6 s, recovering 100% of its max HP as it sleeps. Waking early keeps only the HP already restored. psychic status —
Self Destruct Self Destruct normal physical Power 200 Accuracy 100% Cooldown 12.0s Range (px) 140 AoE (px) 90 Cast 1.5s User faints User faints. normal physical 200
Substitute Substitute normal status Power — Accuracy — Cooldown 18.0s Range (px) 140 Substitute Transfers 1/4 of the user’s max HP into a doll, protecting the user from further damage or status changes until it breaks. normal status —
Surf Surf water special Power 90 Accuracy 100% Cooldown 4.4s Range (px) 140 AoE (px) 90 Inflicts regular damage and can hit Dive users. water special 90
Swift Swift normal special Power 60 Accuracy — Cooldown 2.8s Range (px) 140 AoE (px) 90 Never misses. normal special 60
Take Down Take Down normal physical Power 90 Accuracy 85% Cooldown 2.8s Range (px) 90 Recoil 25% User receives 1/4 the damage it inflicts in recoil. normal physical 90
Teleport Teleport psychic status Power — Accuracy — Cooldown 20.0s Range (px) 140 Mark & recall Leaves a mark. Cast again to blink back to it and shake off pursuit; the cooldown starts on the return. psychic status —
Toxic Toxic poison status Power — Accuracy 90% Cooldown 18.0s Range (px) 140 poison Poisons the target, draining its HP for 16 s. poison status —
Tri Attack Tri Attack normal special Power 80 Accuracy 100% Cooldown 3.3s Range (px) 180 paralysis 20% Has a chance to burn, freeze, or paralyze the target. normal special 80
Water Gun Water Gun water special Power 40 Accuracy 100% Cooldown 1.5s Range (px) 180 Inflicts regular damage with no additional effect. water special 40

Where to catch

Zone Levels Spawn weight
Seafoam Islands (Entrada) 40–50 100