
| Id | 422 |
| Type | water |
| Species | Sea Slug Pokémon |
| Height | 0.3 m |
| Weight | 6.3 kg |
| Abilities | Sticky Hold, Storm Drain Hidden Ability: Sand Force |
| Local Ids | 60 (Diamond/Pearl) 60 (Platinum) 260 (Sun/Moon — Alola dex) 341 (U.Sun/U.Moon — Alola dex) 230 (Sword/Shield) 60 (Brilliant Diamond/Shining Pearl) |
| Catch rate | 190 |
| Base Friendship | 50 (normal) |
| Base Exp | 65 |
| Growth Rate | Medium Fast |
| Egg Groups | Amorphous, Water 1 |
| Gender | 50% male, 50% female |
| Egg cycles | 20 (4,884–5,140 steps) |
| HP | 76 | |
| Attack | 48 | |
| Defense | 48 | |
| Sp. Atk | 57 | |
| Sp. Def | 62 | |
| Speed | 34 | |
| Total | 325 |
| Level | Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|---|
| 1 | Mud-Slap | ground | special | 20 | 100 |
| 1 | Water Gun | water | special | 40 | 100 |
| 5 | Harden | normal | status | 0 | — |
| 10 | Recover | normal | status | 0 | — |
| 15 | Water Pulse | water | special | 60 | 100 |
| 20 | Ancient Power | rock | special | 60 | 100 |
| 25 | Body Slam | normal | physical | 85 | 100 |
| 31 | Muddy Water | water | special | 90 | 85 |
| 35 | Earth Power | ground | special | 90 | 100 |
| 40 | Rain Dance | water | status | 0 | — |
| 45 | Memento | dark | status | 0 | 100 |
Shellos does not learn any moves from evolution.
| Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|
| Acid Armor | poison | status | 0 | — |
| Amnesia | psychic | status | 0 | — |
| Clear Smog | poison | special | 50 | — |
| Counter | fighting | physical | 0 | 100 |
| Curse | ghost | status | 0 | — |
| Fissure | ground | physical | 0 | 30 |
| Memento | dark | status | 0 | 100 |
| Mirror Coat | psychic | special | 0 | 100 |
| Mist | ice | status | 0 | — |
| Sludge | poison | special | 65 | 100 |
| Spit Up | normal | special | 0 | 100 |
| Stockpile | normal | status | 0 | — |
| Swallow | normal | status | 0 | — |
| Yawn | normal | status | 0 | — |
Shellos can not have any move tutor moves.
| TM | Move | Type | Category | Power | Accuracy |
|---|---|---|---|---|---|
| 3 | Water Pulse | water | special | 60 | 100 |
| 7 | Hail | ice | status | 0 | — |
| 13 | Ice Beam | ice | special | 90 | 100 |
| 14 | Blizzard | ice | special | 110 | 70 |
| 17 | Protect | normal | status | 0 | — |
| 18 | Rain Dance | water | status | 0 | — |
| 32 | Double Team | normal | status | 0 | — |
| 42 | Facade | normal | physical | 70 | 100 |
| 44 | Rest | psychic | status | 0 | — |
| 45 | Attract | normal | status | 0 | 100 |
| 49 | Scald | water | special | 80 | 100 |
| 55 | Brine | water | special | 65 | 100 |
| 58 | Endure | normal | status | 0 | — |
| 82 | Sleep Talk | normal | status | 0 | — |
| 87 | Swagger | normal | status | 0 | 85 |
| 90 | Substitute | normal | status | 0 | — |
| 95 | Surf | water | special | 90 | 100 |
Shellos can not get any moves from trs.
| English | Shellos |
|---|---|
| Spanish | Shellos |
| Italian | Shellos |
| Japanese | カラナクシ (Karanakushi) |
| German | Schalellos |
| French | Sancoki |
| Diamond Pearl | Route 205, Route 213, Route 218, Route 221, Route 224, Fuego Ironworks, Valley Windworks |
|---|---|
| Platinum | Route 205, Route 212, Route 213, Route 218, Canalave City, Fuego Ironworks, Pastoria City, Valley Windworks |
| HeartGold SoulSilver | Trade/migrate from another game |
| Black White Black 2 White 2 | Trade/migrate from another game |
| X Y | Trade/migrate from another game |
| Omega Ruby Alpha Sapphire | Route 103, Route 110 |
| Sun Moon | Gastrodon |
| Ultra Sun Ultra Moon | Seafolk Village |
| Let's Go Pikachu Let's Go Eevee | Not available in this game |
| Sword Shield | Bridge Field, Giant's Cap, Giant's Mirror, Motostoke Riverbank, Stony Wilderness, Galar Mine No. 2 |
| Brilliant Diamond Shining Pearl | Route 205, Route 213, Route 218, Route 221, Route 224, Fuego Ironworks, Valley Windworks, Fountainspring Cave |