Sign in to mark the Cloyster you own and where each one is.
Where to catch it
18 games
FireRed/LeafGreen (Switch)
SwitchStart a huntI have itAvailable now- Breeding odds
- Full odds 1 in 8,192
Evolve ShellderEvolutionFireRed only
Use a Water Stone.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
Scarlet/Violet
SwitchStart a huntI have itAvailable now- Wild odds
- Full odds 1 in 4,096
- Mass outbreak up to 1 in 1,365 (cleared 60+ · outbreak species only)
- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Paldean Sea (all four sides)Wild
Researched, awaiting review · checked 7 Oct 2026 · serebii.net
Shiny: yes
Brilliant Diamond/Shining Pearl
SwitchStart a huntI have itAvailable now- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Evolve ShellderEvolution
Use a Water Stone.
Researched, awaiting review · checked 7 Oct 2026 · thonky.com
Shiny: yes
Sword/Shield
SwitchStart a huntI have itAvailable now- Wild odds
- Full odds 1 in 4,096
- Brilliant aura (number battled) up to 1 in 585 (battled 500+ · brilliant aura spawns only)
- Raid odds
- Full odds 1 in 4,096
- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Sword/Shield: The Isle of Armor
SwitchStart a huntI have itAvailable now- Wild odds
- Full odds 1 in 4,096
- Brilliant aura (number battled) up to 1 in 585 (battled 500+ · brilliant aura spawns only)
- Raid odds
- Full odds 1 in 4,096
- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Challenge BeachWild
Lv. 42–60 · Wanderer Water · Fog, Raining
Imported, awaiting review · checked 7 Oct 2026 · PokeAPI
Shiny: yes
Courageous CavernWild
Lv. 16–60 · Bubbling Spots
Imported, awaiting review · checked 7 Oct 2026 · PokeAPI
Shiny: yes
Loop LagoonWild
Lv. 19–60 · Bubbling Spots, Wanderer Water
Imported, awaiting review · checked 7 Oct 2026 · PokeAPI
Shiny: yes
Shiny: yes
Shiny: yes
Shiny: yes
Shiny: yes
Shiny: yes
Shiny: yes
Let's Go, Pikachu!/Let's Go, Eevee!
SwitchStart a huntI have itAvailable now- Wild odds
- Full odds 1 in 4,096
- Catch combo up to 1 in 341 (catch combo 31+)
Crystal (Virtual Console)
3DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank
- Breeding odds
- Full odds 1 in 8,192
- Breeding with a shiny parent 1 in 64
Evolve ShellderEvolution
Use a Water Stone on it.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
Ultra Sun/Ultra Moon
3DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Pokémon Bank
- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Evolve ShellderEvolution
Use a Water Stone.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
Gold/Silver (Virtual Console)
3DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank
- Breeding odds
- Full odds 1 in 8,192
- Breeding with a shiny parent 1 in 64
Evolve ShellderEvolution
Use a Water Stone on it.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
Sun/Moon
3DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Pokémon Bank
- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Evolve ShellderEvolution
Use a Water Stone.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
Red/Blue (Virtual Console)
3DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank
Evolve ShellderEvolution
Use a Water Stone.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
Yellow (Virtual Console)
3DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank
Evolve ShellderEvolution
Use a Water Stone.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
X/Y
3DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Pokémon Bank
- Wild odds
- Full odds 1 in 4,096
- Poké Radar chaining up to 1 in 200 (chain 40+ · grass only)
- Chain fishing up to 1 in 100 (chain 20+ · fishing only)
- Friend Safari 1 in 819 (Friend Safari only)
- Breeding odds
- Full odds 1 in 4,096
- Masuda method 1 in 683
Shiny: yes
Shiny: yes
Black 2/White 2
DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank
- Wild odds
- Full odds 1 in 8,192
- Breeding odds
- Full odds 1 in 8,192
- Masuda method 1 in 1,365
Shiny: yes
Shiny: yes
Seaside Cave — 1fWild
Lv. 50–70 · Super Rod Spots
Imported, awaiting review · checked 7 Oct 2026 · PokeAPI
Shiny: yes
Shiny: yes
Black/White
DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transporter → Pokémon Bank
- Wild odds
- Full odds 1 in 8,192
- Breeding odds
- Full odds 1 in 8,192
- Masuda method 1 in 1,365
Shiny: yes
Shiny: yes
Shiny: yes
HeartGold/SoulSilver
DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transfer to a Gen 5 game → Poké Transporter → Pokémon Bank
- Breeding odds
- Full odds 1 in 8,192
- Masuda method 1 in 1,638
Evolve ShellderEvolution
Use a Water Stone.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
Platinum
DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transfer to a Gen 5 game → Poké Transporter → Pokémon Bank
- Breeding odds
- Full odds 1 in 8,192
- Masuda method 1 in 1,638
Evolve ShellderEvolution
Use a Water Stone on it.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
Diamond/Pearl
DSStart a huntI have itAvailable nowTransfer to HOME closes in 102d 21h26 Feb 2027, 03:00 UTC · via Poké Transfer to a Gen 5 game → Poké Transporter → Pokémon Bank
- Breeding odds
- Full odds 1 in 8,192
- Masuda method 1 in 1,638
Evolve ShellderEvolution
Use a Water Stone on it.
Researched, awaiting review · checked 7 Oct 2026 · pokemondb.net
Shiny: yes
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