Stats & Training
Nothing fancy in Shellos's spread. It leans mixed with HP out front. And you'll get 1 HP EV per KO for it. Follows a medium-fast 1M XP curve.
Beware of pushing strongly on its squishy body, as it makes a mysterious purple fluid ooze out.
Its shape and coloration vary, depending on its habitat.
Shellos Weakness
Type-wise, Shellos takes extra damage from Electric and Grass. The Water typing picks up 4 resistances to work with. Storm Drain grants an additional Water immunity, reshaping the matchup chart.
| Damage | Types |
|---|---|
| 2x (Weak) | Electric, Grass |
| 0.5x (Resist) | Fire, Water, Ice, Steel |
In X & Y, Magnezone threatens a KO with Thunderbolt (149-175%). Rotom's Volt Switch also KOs at 94-111%.
 Whimsicott GrassFairy | B | |
Recommended Build AbilityPrankster ItemLeftovers NatureBold Moves View Whimsicott builds →
| ||
 Magnezone ElectricSteel | B | |
Recommended Build AbilityMagnetpull ItemChoice Scarf NatureTimid Moves
Damage vs Shellos View Magnezone builds →Flash Cannon33-39% Volt Switch 2x116-136%KO Thunderbolt 2x149-175%KO | ||
 Rotom ElectricGhost | C | |
Recommended Build AbilityLevitate ItemLeftovers NatureCalm Moves
Damage vs Shellos View Rotom builds →Volt Switch 2x94-111%KO Shadow Ball53-63% | ||
X & Y Evolution
Shellos is the base form in a two-stage line leading to Gastrodon. Check the evolution method below. A decent partner pool for breeding via two egg groups. Eggs are average hatch time. Evolving adds up to 150 stat points total. View every chain in the Evolution Chart.
How to Evolve
Breeding
Breed Shellos easily with 49 breeding partners from the Indeterminate and Water1 egg groups. Pass egg moves like Acid Armor, Amnesia, Brine and 13 more to offspring.
X & Y Shellos Best Moveset
Best Build
No build content available for this Pokemon in Gen 6.
Try selecting a different game/generation filter, or check back later.
Moves
Breeding's the move. Acid Armor and Amnesia give Shellos options it can't learn any other way, and coverage across 8 types already covers a decent range on top of Muddy Water and Surf. The egg moves push it further.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Transfer Moves
How to Get Shellos in X & Y
Shellos can't be caught in X & Y. Bring it over from Diamond, Platinum, or Sword instead. The encounter info below covers the source games.
Shellos is not available as a wild encounter in this game.
Catch in the wild in:
Then trade to X & Y.
Also found in:
Shellos Guide
Shellos evolves into Gastrodon at level 30. One evolution, no branching. Solid jump from 325 BST.
Shellos evolves into Gastrodon at level 30. Takes some grinding. Plan your team around the mid-game wait.
In X & Y, For a casual playthrough, Shellos works as a placeholder. Water coverage is useful early. The real payoff is Gastrodon. That's where the stats start mattering.
Shellos is catchable in X & Y. Check the Locations section above for specific routes, encounter rates, and methods. It also appears in 12 other games across the series.
Game Availability
Debuting in Diamond & Pearl, Shellos appears in 13 games across 7 generations. A reliable presence in a solid number of games, typically found through catching or hatching as a base form.
Click a game to view version-specific details
- Gen 1Y
Yellow - Gen 1RB
Red & Blue - Gen 2GS
Gold & Silver - Gen 2C
Crystal - Gen 3RS
Ruby & Sapphire - Gen 3FRLG
FireRed & LeafGreen - Gen 3E
Emerald - Gen 4Pt
Platinum - Gen 4HGSS
HeartGold & SoulSilver - Gen 4DPDebut
Diamond & Pearl - Gen 5BW
Black & White - Gen 5B2W2
Black 2 & White 2 - Gen 6XY
X & Y - Gen 6ORAS
Omega Ruby & Alpha Sapphire - Gen 7USUM
Ultra Sun & Ultra Moon - Gen 7SM
Sun & Moon - Gen 7LGPE
Let's Go Pikachu & Eevee - Gen 8SwSh
Sword & Shield - Gen 8PLA
Legends: Arceus - Gen 8BDSP
Brilliant Diamond & Shining Pearl - Gen 9SV
Scarlet & Violet - Gen 9LZA
Legends: Z-A - Gen 10WW
Winds & Waves