
Is Cloyster Good in Omega Ruby & Alpha Sapphire Playthrough?
Imported Cloyster with AbilitySkill Link makes MoveIcicle Spear and MoveRock Blast hit hard every time. Handles Drake's Dragons and contributes against Steven. A Water Stone evolves Shellder early. One of the better imports for an ORAS run.
Shellder resists most of Roxanne's coverage and hits back hard.
Shellder has the type edge here and should clean up Brawly's team.
Shellder trades roughly evenly with Wattson's team.
Shellder has the type edge here and should clean up Flannery's team.
Shellder trades roughly evenly with Norman's team.
Shellder trades roughly evenly with Winona's team.
Shellder trades roughly evenly with Tate & Liza's team.
Wallace's typing presses Shellder's defenses.
Shellder trades roughly evenly with Sidney's team.
Phoebe's team hits Shellder's weaknesses hard.
Shellder trades roughly evenly with Glacia's team.
Shellder trades roughly evenly with Drake's team.
Shellder trades roughly evenly with Steven's team.
Cloyster cannot be caught in this game. It must be traded in from a compatible game where it appears in the wild. Cross-region trading typically becomes available after defeating the Elite Four.
How to Get Cloyster in Omega Ruby & Alpha Sapphire
Cloyster can't be caught in Omega Ruby & Alpha Sapphire. Transfer Shellder from Red & Blue, Yellow, or Gold & Silver and evolve through the 2-stage line to get it. The step cards below map the full chain.
How to Obtain Cloyster in ORAS
Step 1Obtain ShellderLATER APPEARANCEfrom Red & BlueNot TradeableAppears in Red & Blue via Super rod · Route 11. Forward-only transfer — no path back to this game from a later one.LATER APPEARANCEfrom YellowNot TradeableAppears in Yellow via Super rod · Route 18. Forward-only transfer — no path back to this game from a later one.LATER APPEARANCEfrom Gold & SilverNot TradeableAppears in Gold & Silver via Super rod · Route 27. Forward-only transfer — no path back to this game from a later one.
Step 2Cloyster ✓
Cloyster Weakness
Cloyster's Water/Ice typing leaves it vulnerable to Electric, Grass, Fighting, and Rock. Cloyster's physical bulk (base 180 Def) helps cushion physical weakness hits, but special attackers are the bigger threat.
| Damage | Types |
|---|---|
| 2x (Weak) | Electric, Grass, Fighting, Rock |
| 0.5x (Resist) | Water |
| 0.25x (Resist) | Ice |
What is Cloyster Weak Against
VulnerableBest Pokemon Against Cloyster
Aerodactyl Rock | B | |
Obtain MethodRustboro City Gift Available Moves Moves
Damage vs Cloyster View Aerodactyl builds →Rock Tomb 2x38-46% Thunder Fang 2x28-34% | ||
Timburr Fighting | C | |
Available Moves Moves
Damage vs Cloyster View Timburr builds →Wake-Up Slap 2x34-42% Rock Tomb 2x20-25% | ||
Archen Rock | C | |
Obtain MethodRustboro City Gift | ||
Ludicolo WaterGrass | C | |
Leafeon Grass | C | |
Hitmonlee Fighting | B | |
Available Moves Moves
Damage vs Cloyster View Hitmonlee builds →High Jump Kick 2x83-99% Rock Tomb 2x26-32% | ||
Hariyama Fighting | B | |
Available Moves Moves
Damage vs Cloyster View Hariyama builds →Vital Throw 2x46-55% Rock Tomb 2x26-32% | ||
Throh Fighting | C | |
Available Moves Moves
Damage vs Cloyster View Throh builds →Vital Throw 2x39-47% Rock Tomb 2x24-29% | ||
Sawk Fighting | C | |
Available Moves Moves
Damage vs Cloyster View Sawk builds →Brick Break 2x53-63% Rock Tomb 2x29-34% | ||
Gurdurr Fighting | C | |
Available Moves Moves
Damage vs Cloyster View Gurdurr builds →Wake-Up Slap 2x43-51% Rock Tomb 2x24-29% | ||
Hitmonlee Fighting | B | |
Available Moves Moves
Damage vs Cloyster View Hitmonlee builds →High Jump Kick 2x84-100%KO Rock Tomb 2x27-32% | ||
Sawk Fighting | C | |
Available Moves Moves
Damage vs Cloyster View Sawk builds →Brick Break 2x53-63% Rock Tomb 2x28-35% | ||
Hariyama Fighting | B | |
Available Moves Moves
Damage vs Cloyster View Hariyama builds →Vital Throw 2x47-56% Rock Tomb 2x27-32% | ||
Magnezone ElectricSteel | B | |
Lanturn WaterElectric | C | |
Hitmonlee Fighting | B | |
Available Moves Moves
Damage vs Cloyster View Hitmonlee builds →High Jump Kick 2x85-101%KO Rock Tomb 2x27-33% | ||
Torterra GrassGround | C | |
Obtain MethodEvolve Turtwig (Route 101 Gift) Available Moves Moves
Damage vs Cloyster View Torterra builds →Wood Hammer 2x73-87% Rock Tomb 2x26-30% Rock Smash 2x17-21% | ||
Sawk Fighting | C | |
Available Moves Moves
Damage vs Cloyster View Sawk builds →Brick Break 2x52-63% Rock Tomb 2x29-35% | ||
Hariyama Fighting | B | |
Available Moves Moves
Damage vs Cloyster View Hariyama builds →Vital Throw 2x47-56% Rock Tomb 2x27-33% | ||
Magnezone ElectricSteel | B | |
Heracross BugFighting | B | |
Available Moves Moves
Damage vs Cloyster View Heracross builds →Close Combat 2x81-96% Stone Edge 2x46-55% Bullet Seed 2x13-16% | ||
Roserade GrassPoison | B | |
Hitmonlee Fighting | B | |
Available Moves Moves
Damage vs Cloyster View Hitmonlee builds →High Jump Kick 2x85-101%KO Stone Edge 2x45-53% | ||
Blaziken FireFighting | B | |
Obtain MethodEvolve Torchic (Route 101 Gift) Available Moves Moves
Damage vs Cloyster View Blaziken builds →High Jump Kick 2x85-101%KO Solar Beam 2x145-172%KO Stone Edge 2x45-53% | ||
Infernape FireFighting | B | |
Obtain MethodEvolve Chimchar (Route 101 Gift) Available Moves Moves
Damage vs Cloyster View Infernape builds →Close Combat 2x70-82% Solar Beam 2x140-165%KO Stone Edge 2x39-46% | ||
Hariyama Fighting | B | |
Available Moves Moves
Damage vs Cloyster View Hariyama builds →Close Combat 2x77-91% Stone Edge 2x44-52% | ||
Heracross BugFighting | B | |
Available Moves Moves
Damage vs Cloyster View Heracross builds →Close Combat 2x78-93% Stone Edge 2x45-53% Bullet Seed 2x13-16% | ||
Roserade GrassPoison | B | |
Hitmonlee Fighting | B | |
Available Moves Moves
Damage vs Cloyster View Hitmonlee builds →High Jump Kick 2x83-98% Stone Edge 2x44-52% | ||
Blaziken FireFighting | B | |
Obtain MethodEvolve Torchic (Route 101 Gift) Available Moves Moves
Damage vs Cloyster View Blaziken builds →High Jump Kick 2x83-98% Solar Beam 2x143-169%KO Stone Edge 2x44-52% | ||
Rampardos Rock | B | |
Obtain MethodEvolve Cranidos (Rustboro City Gift) Available Moves Moves
Damage vs Cloyster View Rampardos builds →Head Smash 2x126-148%KO Brick Break 2x43-51% Thunderbolt 2x72-85% | ||
Gurdurr Fighting | C | |
Available Moves Moves
Damage vs Cloyster View Gurdurr builds →Focus Punch 2x85-101%KO Stone Edge 2x38-45% | ||
Hariyama Fighting | B | |
Available Moves Moves
Damage vs Cloyster View Hariyama builds →Close Combat 2x76-90% Stone Edge 2x43-51% | ||
Cobalion SteelFighting | B | |
Obtain MethodMirage Spots Interact Encounter Available Moves Moves
Damage vs Cloyster View Cobalion builds →Close Combat 2x60-71% Stone Edge 2x34-40% Volt Switch 2x73-86% | ||
Heracross BugFighting | B | |
Available Moves Moves
Damage vs Cloyster View Heracross builds →Close Combat 2x79-93% Stone Edge 2x44-53% Bullet Seed 2x12-14% | ||
In Omega Ruby & Alpha Sapphire, Zapdos threatens a KO with Volt Switch (94-111%).
S | ||
Recommended Build AbilityRough Skin ItemRocky Helmet NatureJolly Moves
Damage vs Cloyster View Garchomp builds →Earthquake27-32% | ||
A | ||
Recommended Build AbilityStatic ItemLeftovers NatureBold Moves
Damage vs Cloyster View Zapdos builds →Heat Wave63-75% Volt Switch 2x94-111%KO | ||
B | ||
Recommended Build AbilitySand Stream ItemLeftovers NatureImpish Moves
Damage vs Cloyster View Hippowdon builds →Earthquake20-24% Rock Slide 2x30-36% | ||
B | ||
Recommended Build AbilityPoisonheal ItemToxic Orb NatureCareful Moves
Damage vs Cloyster View Gliscor builds →Earthquake17-20% Knock Off12-14% | ||
B | ||
Recommended Build AbilityLevitate ItemColbur Berry NatureTimid Moves
Damage vs Cloyster View Latias builds →Draco Meteor78-92% | ||
Cloyster Evolutions
Getting Cloyster requires an evolution item, not just grinding levels. The chain starts at Shellder. Breed this form to get Shellder eggs (average hatch time). Defense grew the most through evolution (+80 over Shellder), and Cloyster peaks at 525 total stats. View every chain in the Evolution Chart.
How to Evolve
Breeding
Breed with Cloyster to get Shellder eggs easily using 29 partners from the Water3 egg group. Notable egg moves include Aqua Ring, Avalanche, Barrier and 9 more.
ORAS Cloyster Best Moveset
MoveShell Smash doubles Attack, Sp. Atk, and Speed in one turn, and AbilitySkill Link guarantees multi-hit moves like MoveIcicle Spear strike 5 times. Water/Ice TermStab at boosted power. The moveset earns A-tier because one setup turn threatens to knock out everything that doesn't resist Ice.
Best Build
Cloyster best EVs are Attack and Speed
Physical Sweeper Moveset
- Icicle Spear
- Shell Smash
- Rapid Spin
- Rock Blast
Recommended Teammates
Moves List
You'll want to breed for Aqua Ring and Avalanche on Cloyster. These egg moves aren't just nice to have. Combined with STAB from Hydro Pump and Blizzard, they expand what Cloyster can actually threaten in practice.
How to Read the Moves Table
Tabs
- Level-Up
- Learned by leveling up.
- TM
- Taught by a Technical Machine.
- Egg
- Inherited via breeding.
- Tutor
- NPC tutor (cost: items, BP, money).
- Reminder
- An NPC reteaches any move this Pokemon could have learned by leveling up.
- Transfer
- Carried over from an older game using Pokemon HOME.
- Event
- Given out through Mystery Gift events.
Visual Signals
CAT (Category)
How the move deals damage and which stats it uses.
A small dot on the icon's corner marks the move as contact. That triggers abilities like Static, Flame Body, Rough Skin, or Iron Barbs, plus items like Rocky Helmet and Sticky Barb.
Tier (S to D)
Each move's competitive rank in RankedBoost's system. TM, Egg, and Tutor sort by tier by default (best first). On Level-Up, click the Tier header to do the same.
PWR (Power)
Base damage. Numbers shown in a type color include STAB (base × 1.5). Hover any colored number to see the math.
— means no power (status moves) or variable power.
Sorting & Filter
Click any column header to sort. Level-Up opens with Lv 1 at the top. TM, Egg, and Tutor open with the highest-tier moves at the top.
Search filters by move name or type. The Filter button limits the list to STAB, Physical, Special, or Status moves.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Reminder Moves
Transfer Moves
Base Stats
Cloyster is capable of swimming in the sea. It does so by swallowing water, then jetting it out toward the rear. This Pokémon shoots spikes from its shell using the same system.
Cloyster Omega Ruby & Alpha Sapphire Guide
For Omega Ruby & Alpha Sapphire, we rate Cloyster B-Tier: a solid option in Omega Ruby & Alpha Sapphire for the right team. At 525 BST, the stats are spread pretty evenly. Icicle Spear with Focus Sash is the standard set.
Shell Armor protects against critical hits. That's the one you want on Cloyster. Overcoat is the hidden ability. Niche, but it has its uses. Skill Link works too if your team needs something different.
Base 70 Speed is workable. Faster than some, slower than many. On offense, Cloyster is a physical attacker with base 95 Attack. Defensively? Enough bulk to take a hit or two.
In Omega Ruby & Alpha Sapphire, run Icicle Spear, Shellsmash, Rapid Spin, and Rock Blast on Cloyster. Icicle Spear is the most common pick at 0% usage. This set covers the balanced role with a mix of damage and utility.
Game Availability
One of the original 151, Cloyster has appeared in 20 games — most mainline games. From Red & Blue through the latest titles, it's rarely been left out of a regional Pokedex.
Click a game to view version-specific details
- Gen 1RBDebut

Red & Blue - Gen 1Y
Yellow - Gen 2GS

Gold & Silver - Gen 2C
Crystal - Gen 3RS

Ruby & Sapphire - Gen 3E
Emerald - Gen 3FRLG

FireRed & LeafGreen - Gen 4DP

Diamond & Pearl - Gen 4Pt
Platinum - Gen 4HGSS

HeartGold & SoulSilver - Gen 5BW

Black & White - Gen 5B2W2

Black 2 & White 2 - Gen 6XY

X & Y - Gen 6ORAS

Omega Ruby & Alpha Sapphire - Gen 7SM

Sun & Moon - Gen 7USUM

Ultra Sun & Ultra Moon - Gen 7LGPE

Let's Go Pikachu & Eevee - Gen 8SwSh

Sword & Shield - Gen 8BDSP

Brilliant Diamond & Shining Pearl - Gen 8PLA
Legends: Arceus - Gen 9SV

Scarlet & Violet - Gen 9LZA
Legends: Z-A - Gen 10WW

Winds & Waves