Cloyster best PvP IVs
The best Cloyster IVs for Great League in Pokémon GO are 0/13/13 — 0 attack, 13 defense and 13 HP. That spread reaches CP 1500 at level 22.5 and has the highest stat product of all 4,096 IV combinations. A perfect 15/15/15 Cloyster ranks #1,697 there, with 95.0 % of the stat product the best spread gets.
Open Cloyster 0/13/13 in the IV ranker
Best Cloyster IVs by league
| League | Rank 1 IV | Lv | CP | 15/15/15 |
|---|---|---|---|---|
| Little | not allowed — must be unevolved and able to evolve | |||
| Great | 0/13/13 | 22.5 | 1500 | #1,697 |
| Ultra | 0/14/14 | 45 | 2496 | #2,230 |
| Master | 15/15/15 | 50 | 2880 | #1 |
Cloyster cannot enter Little League because it has already evolved. Little League only takes Pokémon that have not evolved yet and can still evolve, so the 500 CP cap is not the only rule.
Top 10 Cloyster IVs for Great League
| # | IV | Lv | CP | Atk | Def | HP | % |
|---|---|---|---|---|---|---|---|
| 1 | 0/13/13 | 22.5 | 1500 | 117.9 | 170.5 | 95 | 100.0 |
| 2 | 0/15/12 | 22.5 | 1500 | 117.9 | 171.7 | 94 | 99.7 |
| 3 | 0/12/13 | 22.5 | 1497 | 117.9 | 169.8 | 95 | 99.6 |
| 4 | 2/15/15 | 22 | 1497 | 117.8 | 169.8 | 95 | 99.6 |
| 5 | 0/9/15 | 22.5 | 1498 | 117.9 | 167.9 | 96 | 99.5 |
| 6 | 1/10/13 | 22.5 | 1499 | 118.5 | 168.6 | 95 | 99.4 |
| 7 | 3/13/15 | 22 | 1500 | 118.4 | 168.5 | 95 | 99.4 |
| 8 | 0/14/12 | 22.5 | 1497 | 117.9 | 171.1 | 94 | 99.3 |
| 9 | 0/11/14 | 22.5 | 1499 | 117.9 | 169.2 | 95 | 99.3 |
| 10 | 0/11/13 | 22.5 | 1494 | 117.9 | 169.2 | 95 | 99.3 |
Top 10 Cloyster IVs for Ultra League
| # | IV | Lv | CP | Atk | Def | HP | % |
|---|---|---|---|---|---|---|---|
| 1 | 0/14/14 | 45 | 2496 | 151.6 | 220.1 | 123 | 100.0 |
| 2 | 2/14/15 | 44 | 2500 | 152.3 | 218.8 | 123 | 99.8 |
| 3 | 1/12/14 | 45 | 2500 | 152.5 | 218.5 | 123 | 99.8 |
| 4 | 0/15/15 | 44.5 | 2493 | 151.2 | 220.3 | 123 | 99.8 |
| 5 | 0/10/13 | 46 | 2500 | 152.6 | 218.2 | 123 | 99.7 |
| 6 | 1/15/15 | 44 | 2491 | 151.5 | 219.6 | 123 | 99.7 |
| 7 | 0/13/15 | 45 | 2500 | 151.6 | 219.3 | 123 | 99.6 |
| 8 | 0/13/14 | 45 | 2491 | 151.6 | 219.3 | 123 | 99.6 |
| 9 | 0/9/15 | 45.5 | 2496 | 152.1 | 216.7 | 124 | 99.6 |
| 10 | 0/15/13 | 45 | 2492 | 151.6 | 220.9 | 122 | 99.6 |
Rank 1 IVs across the evolution line
IVs carry over when a Pokémon evolves, so pick the spread for the league you mean to play it in, not for the stage you caught it at.
| Pokémon | Little | Great | Ultra |
|---|---|---|---|
| Shellder | 0/12/15 CP 500 | 15/15/15 CP 1221 | 15/15/15 CP 1221 |
| Cloyster | ✕ | 0/13/13 CP 1500 | 0/14/14 CP 2496 |
How good is Cloyster in the current meta?
PvPoke rates Cloyster #846 of 1,154 in Great League, with a score of 64.2 out of 100. The usual moveset is Ice Shard, Icy Wind and Liquidation.
| League | PvPoke rank | Score | Usual moves |
|---|---|---|---|
| Great | #846 of 1,154 | 64.2 | Ice Shard, Icy Wind, Liquidation |
| Ultra | #582 of 851 | 69 | Ice Shard, Icy Wind, Hydro Pump |
These are two different questions. The IV ranks further up say which Cloyster to build; the meta rank says whether Cloyster is worth building at all. Ranks and movesets come from PvPoke, whose battle simulations produce them, and they move as the meta does.
How to find a good Cloyster
The search-string generator builds a string you can paste into the search bar in Pokémon GO. It matches the CP, HP and appraisal stars of the top spreads above — pre-evolutions included — so you can sweep a whole storage box in one go.
To check a Cloyster you already own, open the IV ranker and set its IVs. It ranks every stage of the evolution line at once and shows the meta rank beside the IV rank.
Cloyster PvP IV questions
What are the best Cloyster IVs for Great League?
0/13/13 — 0 attack, 13 defense and 13 HP. It reaches CP 1500 at level 22.5 and has the best stat product of all 4,096 IV combinations.
Is a 15/15/15 Cloyster good for Great League?
No. A perfect 15/15/15 Cloyster only ranks #1,697 of 4,096 in Great League. Under a CP cap, lower attack lets a Pokémon reach a higher level, which buys more defense and HP for the same CP.
What CP is a rank 1 Cloyster in Great League?
CP 1500 at level 22.5, without best buddy. Best buddy adds one level, which changes both the CP and the ranking.
Ranked by stat product (attack × defense × HP) at the highest level under the CP cap, out of all 4,096 IV combinations, without best buddy. Shadow and purified Pokémon rank the same as regular ones. Little League checks the 500 CP cap and that the Pokémon is unevolved with an evolution ahead of it; limited-time cups may add further restrictions. Base stats and meta rankings from PvPoke, used under the MIT licence. Updated 2026-11-11.