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.
When it senses danger, it gushes a purple liquid. Some theories suggest this liquid is a greasy sweat induced by stress.
Scientists interested in its great regenerative capabilities are currently analyzing the materials from which its cells are made.
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 |
Zapdos Electric | A | |
Electric is super effective against ShellosView Zapdos → | ||
Kartana GrassSteel | A | |
Grass is super effective against ShellosView Kartana → | ||
Amoonguss GrassPoison | B | |
Grass is super effective against ShellosView Amoonguss → | ||
Rotom ElectricGhost | C | |
Electric is super effective against ShellosView Rotom → | ||
In Ultra Sun & Ultra Moon, Zapdos can KO Shellos with Thunderbolt (132-156%). Kartana's Knock Off hits Shellos for 56-66%. Amoonguss deals 72-85% with Giga Drain.
Zapdos Electric | A | |
Recommended Build AbilityStatic ItemLeftovers NatureCalm Moves
Damage vs Shellos View Zapdos builds →Heat Wave23-27% Thunderbolt 2x132-156%KO | ||
Kartana GrassSteel | A | |
Recommended Build AbilityBeastboost ItemChoice Scarf NatureJolly Moves
Damage vs Shellos View Kartana builds →Knock Off56-66% | ||
Amoonguss GrassPoison | B | |
Recommended Build AbilityRegenerator ItemBlack Sludge NatureSassy Moves
Damage vs Shellos View Amoonguss builds →Giga Drain 2x72-85% | ||
Rotom ElectricGhost | C | |
Recommended Build AbilityLevitate ItemColbur Berry NatureTimid Moves
Damage vs Shellos View Rotom builds →Volt Switch 2x74-87% Hex34-40% | ||
Ultra Sun & Ultra Moon Evolution
Shellos is the base form in a two-stage line leading to Gastrodon. Check the evolution method below. Plenty of partners 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 52 breeding partners from the Indeterminate and Water1 egg groups. Pass egg moves like Acid Armor, Amnesia, Brine and 13 more to offspring.
Ultra Sun & Ultra Moon Shellos Best Moveset
Best Build
No build content available for this Pokemon in Gen 7.
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 Ultra Sun & Ultra Moon
The way to get Shellos in this game is through an NPC trade at Seafolk Village. Bring the right Pokemon and it's yours. The details below list the exact trade requirements.
Best Locations to Catch Shellos in Ultra Sun & Ultra Moon
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 Ultra Sun & Ultra Moon, 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 Ultra Sun & Ultra Moon. 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
