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Cloyster counters

Gen 2 OU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

Cloyster
#0091 Cloyster
WaterIce
USAGE 64.3% #2
BASE STATS
HP 50
ATK 95
DEF 180
SPA 85
SPD 45
SPE 70
BST525
TYPE MATCHUPS
2×
ElectricGrassFightingRock
½×
Water
¼×
Ice
Moves
Spikes 100.0% Surf 90.2% Explosion 87.8% Toxic 72.7% Ice Beam 13.4% Hidden Power Electric 11.4% Rapid Spin 11.3% Rest 9.4%
Items
Leftovers 95.4% Miracle Berry 4.6% Never-Melt Ice 0.0% Focus Band 0.0% Quick Claw 0.0% Gold Berry 0.0% Mystic Water 0.0% Pink Bow 0.0%
Common Teammates
Snorlax99.8%Zapdos68.0%Raikou40.4%Gengar33.2%Exeggutor31.1%Tyranitar30.1%Golem28.1%Machamp19.6%
Browse Gen 2 OU teams using Cloyster →
Explore Cloyster + Zapdos teams 41 score Explore Cloyster + Cloyster teams 5 score Explore Cloyster + Snorlax teams 4 score

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

Team core to explore Cloyster + Snorlax 99.8% teammate usage Explore teams →

Checks & Counters

Observed target KO or switch rate is upstream p: the fraction of relevant encounters where the target was knocked out or switched out. Standard error is upstream d. The conservative score is p − 4d. These ladder observations do not prove a set-specific counter.

How to read this table

Use encounter count and standard error to judge the sample. Damage estimates below use inferred sets and remain separate from the observed ladder metric.

# Checker Encounters Conservative score Target KO or switch rate

Ranked #2 with 64.32% usage. Sorted by conservative score.