Frost Breath
Cloyster is a Water/Ice-type Pokemon in Pokemon GO, originally from the Kanto region (#91, Generation 1). With a max CP of 2,880 and base stats of 186/256/137 (Atk/Def/Sta), Cloyster has a total stat product of 579.
Cloyster is weak to Electric, Fighting, Grass, Rock-type moves. It resists Ice, Water-type attacks. Cloyster is a 3.0 km buddy Pokemon.
Stats
Type Chart
Moves
Fast Moves
Charged Moves
Best Moveset Analysis
Among fast moves, the highest DPS option is Frost Breath (11 DPS), while Ice Shard generates energy the fastest (10 EPS). Note that Blizzard is an Elite TM move and cannot be obtained through regular TMs.
Forms & Variants
Raid Guide
Cloyster as Raid Boss
Not Currently in RaidsCloyster is not currently available as a raid boss. When Cloyster returns to raids, here are the best counters to defeat it. A 100% IV Cloyster from raids would have 1455 CP at level 20, or 1819 CP at level 25 with weather boost.
Best Counters to Beat Cloyster
Cloyster is weak to Electric, Fighting, Grass, Rock-type moves, so counters with these move types will deal the most damage.
Cloyster as Raid Counter
Cloyster is an effective raid counter against the following Pokemon.
How to Get Cloyster
Cloyster evolves from Shellder using 50 Candy.
A Shadow version of Cloyster is available from Team GO Rocket. Shadow Cloyster knows Frustration as its charged move, which can be removed with a Charged TM. Purifying costs 3,000 Stardust and 3 Candy, and the purified form learns Return. Walking Cloyster as your buddy earns 1 candy every 3.0 km.
Cloyster Catch CP
These are the possible CP values when encountering Cloyster in different scenarios. The range shows minimum (lowest IV floor) to maximum (100% perfect IV).
A 100% IV Cloyster from raids or eggs will show 1,455 CP at level 20. If you see this number, don't hesitate — it's a perfect catch!
Trainer Tips
Cloyster is a Water/Ice-type Pokemon with a stat total of 579. With its bulk spread of 256 Defense and 137 Stamina, Cloyster has solid survivability in battles.
Watch out for Electric, Fighting, Grass, Rock-type moves when using Cloyster. These types deal super effective damage that can cut into Cloyster's performance.
Cloyster's moves get a damage boost in Rainy and Snow weather. Take advantage of weather conditions to maximize your DPS in raids and gym battles.
Unlocking a second charged move costs 50,000 Stardust and 50 Candy. With 7 charged moves available, a second move gives Cloyster much better coverage in PvP battles.
Should I Invest in Cloyster?
Power-Up Costs
Verdict
Collector's Pick
Cloyster is a Water/Ice-type Pokemon with base stats of 186/256/137 (Atk/Def/Sta) and a max CP of 2,880. While it doesn't currently rank among the top raid attackers or PvP contenders, every Pokemon has its place in a trainer's collection. Cloyster may shine during specific events, in limited-format cups, or when new moves are added in future updates. For now, hold onto a good IV specimen but save your Stardust and Candy for more impactful investments unless you're a dedicated fan of this Pokemon.
Shadow vs Regular: Shadow Cloyster deals 20% more damage but takes ~20% more. For raids, Shadow is generally the better investment. For PvP, evaluate matchups carefully — the bulk loss can be significant.