Coastal Biome — 1 location on the interactive map.
Abandoned Ship, Dewford Town, Ever Grande City, Lilycove City, Mossdeep City, Pacifidlog Town, Route 103, Route 105, Route 106, Route 107, Route 108, Route 109 and 22 more — 34 locations on the interactive map.
Cerulean City, Cinnabar Island, Pallet Town, Route 10, Route 11, Route 12, Route 13, Route 24, Route 4, S.S. Anne, Sea Route 19, Sea Route 20 and 2 more — 14 locations on the interactive map.
Bond Bridge, Five Island, Five Isle Meadow, Green Path, Icefall Cave, Kindle Road, Memorial Pillar, One Island, Outcast Island, Resort Gorgeous, Tanoby Ruins, Trainer Tower and 3 more — 15 locations on the interactive map.
Cinnabar Island, Pallet Town, Route 11, Route 12, Route 13, Route 17, Route 18, Sea Route 19, Sea Route 20, Sea Route 21, Seafoam Islands, Vermilion City and 1 more — 13 locations on the interactive map.
Cherrygrove City, Cianwood City, Cinnabar Island, New Bark Town, Olivine City, Pallet Town, Route 12, Route 13, Route 26, Route 27, Route 32, Route 34 and 8 more — 20 locations on the interactive map.
Tentacool → Tentacruel (Level 30)
Normal: Great Ball, Lure Ball. Shiny: Net Ball, Friend Ball. See the full matching Pokéballs guide for every Pokémon.
Base stats — HP 40, Attack 40, Defense 35, Sp. Atk 50, Sp. Def 100, Speed 70. Calculate final stats with IVs, EVs, level, nature or Champions SP.
| Language | Name |
|---|---|
| Korean | 왕눈해 |
| Chinese (Traditional) | 瑪瑙水母 |
| French | Tentacool |
| German | Tentacha |
| Spanish | Tentacool |
| Italian | Tentacool |
| Japanese | メノクラゲ |
| Chinese (Simplified) | 玛瑙水母 |