Cloyster counters

Gen 1 OU · Sorted by reliability score · Smogon · Apr 2026 - Jun 2026

Cloyster
#0091 Cloyster
WaterIce
USAGE 19.6% #11
BASE STATS
HP 50
ATK 95
DEF 180
SPA 85
SPD 45
SPE 70
BST525
TYPE MATCHUPS
2×
ElectricGrassFightingRock
½×
Water
¼×
Ice
Moves
Clamp 99.8% Explosion 99.7% Blizzard 97.8% Rest 91.6% Hyper Beam 6.2% Ice Beam 2.1% Double-Edge 1.4% Surf 0.6%
Common Teammates
Tauros83.7%Snorlax65.7%Exeggutor64.6%Chansey61.1%Rhydon42.7%Jynx37.8%Alakazam35.2%Starmie31.7%
Browse Gen 1 OU teams using Cloyster →
Teams using Starmie 51% Teams using Zapdos 49% Teams using Cloyster 42% Teams using Alakazam 41% Teams using Jynx 37% Teams using Tauros 31%

Checks & Counters

Ranked by reliability — blends KO rate with how often each Pokémon is matched up.

# Checker Encounters Reliability KO Rate
01
Starmie
Starmie
WaterPsychic SOFT CHECK
233.622
51
50.6% dies 5.47%
02
Zapdos
Zapdos
ElectricFlying SOFT CHECK
20.65
49
49.5% dies 11.00%
03
Cloyster
Cloyster
WaterIce SOFT CHECK
82.579
42
42.1% dies 7.47%
04
Alakazam
Alakazam
Psychic SOFT CHECK
31.077
41
40.5% dies 8.81%
05
Jynx
Jynx
IcePsychic SOFT CHECK
66.317
37
37.5% dies 8.21%
06
Tauros
Tauros
Normal SOFT CHECK
192.102
31
30.7% dies 5.55%
07
Exeggutor
Exeggutor
GrassPsychic SOFT CHECK
117.073
30
29.6% dies 7.07%
08
Chansey
Chansey
Normal SOFT CHECK
183.073
23
23.4% dies 5.24%
09
Snorlax
Snorlax
Normal SOFT CHECK
235.624
10
10.2% dies 3.31%
10
Rhydon
Rhydon
GroundRock SOFT CHECK
31.253
7
7.3% dies 4.66%

Ranked #11 with 19.62% usage. Sorted by reliability score.