East Paldean Sea, North Paldean Sea, South Paldean Sea, West Paldean Sea — 4 locations on the interactive map.
Cinnabar Island, Pallet Town, S.S. Anne, Vermilion City — 4 locations on the interactive map.
Five Island, Icefall Cave, One Island — 3 locations on the interactive map.
Cinnabar Island, Route 11, Route 17, Route 18, Route 6, Sea Route 19, Sea Route 20, Sea Route 21, Seafoam Islands, Vermilion City — 10 locations on the interactive map.
Cinnabar Island, New Bark Town, Olivine City, Pallet Town, Route 26, Route 27, Sea Route 20, Sea Route 21, Sea Route 41, Vermilion City — 10 locations on the interactive map.
Shellder → Cloyster (Water Stone)
Normal: Dream Ball, Timer Ball, Dusk Ball. Shiny: Repeat Ball, Level Ball. See the full matching Pokéballs guide for every Pokémon.
Base stats — HP 30, Attack 65, Defense 100, Sp. Atk 45, Sp. Def 25, Speed 40. Calculate final stats with IVs, EVs, level, nature or Champions SP.
| Language | Name |
|---|---|
| Korean | 셀러 |
| Chinese (Traditional) | 大舌貝 |
| French | Kokiyas |
| German | Muschas |
| Spanish | Shellder |
| Italian | Shellder |
| Japanese | シェルダー |
| Chinese (Simplified) | 大舌贝 |