TL;DR. Shellos is a pure water-type Pokémon from Generation IV. Base Stat Total: 325. Its colors and shapes differ from region to region. In the Sinnoh region, two types are confirmed.
Its colors and shapes differ from region to region. In the Sinnoh region, two types are confirmed.
Stat spread.
Total of 325. Higher peaks mean specialized roles, flat spreads favor versatility.
Rankings computed across all 1025 base-species Pokémon (Mega and Gigantamax forms excluded). Source: National Pokédex base stats.
Shellos in Pokémon GO.
Pokémon GO uses its own hand-tuned base stats, distinct from the main-series spread above. At a perfect 15/15/15, Shellos reaches 1,136 CP at level 40 and 1,299 CP as a best buddy.
Run the numbers: CP & HP calculator · PvP IV optimizer · Catch CP calculator
Shiny release
Shiny Shellos first appeared on August 26, 2023, during Pokémon GO Fest 2023 Global.
- Shellos
- Gastrodon by encounter
Recent raid runs
Last in raids: Apr 3 to Apr 7, 2025, 1-star.
| Dates | Raid | Event |
|---|---|---|
| Apr 3 to Apr 7, 2025 | 1-star | Stunning Styles |
| Apr 3 to Apr 7, 2025 | 1-starEast Sea Form | Stunning Styles |
Shellos in competitive play.
Shellos is a Generation 9 LC-tier pick in Smogon singles. In Pokémon GO it ranks #857 in the Great League.
Build around it: GO PvP IV optimizer · Team builder · Ask Dia
Sets and GO ranks last checked 2026-10-20.
Common questions about Shellos.
Direct, sourced answers to the most-asked questions about Shellos, each computed straight from its Pokédex data.
What type is Shellos?
Shellos is a pure Water-type Pokémon. It has a single typing, which means a simpler matchup chart but also fewer resistances.
What is Shellos weak to?
Shellos takes 2× damage from Grass, Electric. It has no 4× weaknesses.
What is Shellos resistant to?
Shellos resists Fire, Water, Ice, Steel. It has no full immunities.
How does Shellos evolve?
Shellos evolves into Gastrodon (Level 30).
What generation is Shellos from?
Shellos was introduced in Generation IV (the Sinnoh region). Its Pokédex number is #0422.
What are Shellos's base stats?
Shellos has HP 76, Attack 48, Defense 48, Special Attack 57, Special Defense 62, and Speed 34. Total base stat total: 325.
What are Shellos's abilities?
Shellos can have the abilities Sticky Hold, Storm Drain, plus the Hidden Ability Sand Force.
Is Shellos legendary or mythical?
No. Shellos is a regular Pokémon, not classified as Legendary or Mythical.
What is Shellos's best stat?
Shellos's highest base stat is HP at 76, which ranks 53rd of 154 Water-type Pokémon.
Is Shellos good?
Shellos has a base stat total of 325, the 761st-highest of all 1025 Pokémon species and 112th among Water-types. That is a modest total, typical of an unevolved or utility Pokémon.
Does Shellos's ability change its weaknesses?
Yes. Sticky Hold does not change its matchups. With Storm Drain, Water moves raise its Sp. Atk instead of doing damage. Sand Force does not change its matchups.
Through the generations.
Shellos as drawn across two decades of Pokémon games, plus the modern Pokémon HOME render. Hit the cry button to hear it.
In battle.
Damage multipliers when Shellos is hit by each attacking type. 4× is two stacked weaknesses, ¼× is two stacked resistances. Some abilities change them; pick one to see its chart.
Sticky Hold: does not change its type matchups.
Storm Drain: Water moves raise its Sp. Atk instead of doing damage.
Sand Force: does not change its type matchups.
Shellos vs. the average Water-type.
Each base stat measured against the mean across all 154 Water-type Pokémon.
| Stat | Shellos | Water avg | Difference |
|---|---|---|---|
| HP | 76 | 70 | +6 |
| Attack | 48 | 72 | -24 |
| Defense | 48 | 72 | -24 |
| Special Attack | 57 | 71 | -14 |
| Special Defense | 62 | 69 | -7 |
| Speed | 34 | 66 | -32 |
| Total | 325 | 420 | -95 |
Shellos appears in 24 games.
Every mainline release where Shellos is obtainable, has a dex entry, or is transferable. Grouped by generation.
- 2007 Diamond
- 2007 Pearl
- 2009 Platinum
- 2010 HeartGold
- 2010 SoulSilver
- 2011 Black
- 2011 White
- 2012 Black 2
- 2012 White 2
- 2013 X
- 2013 Y
- 2014 Alpha Sapphire
- 2014 Omega Ruby
- 2016 Moon
- 2016 Sun
- 2017 Ultra Moon
- 2017 Ultra Sun
- 2019 Shield
- 2019 Sword
- 2022 Legends: Arceus
- 2022 Scarlet
- 2022 Violet
- 2026 Pokémon Pokopia
- 2016 Pokémon GO
How to get Shellos.
Every main-series game Shellos is in, newest first: how to get it, version exclusives and Shiny locks.
Generation IXObtainableNot in the game
- Scarlet · VioletObtainable
- WildSouth Province: Area Five (East Sea)
- WildEast Province: Area One (East Sea)
- WildWest Province: Area Two (West Sea)
- RaidTera Raid Battles (2★) (West (Violet)/East (Scarlet) Sea)
- Legends: Z-ANot in the game
Generation VIIIObtainable
- Sword · ShieldObtainable
- TransferPokémon HOME (West Sea)
- WildBridge Field, Giant's Cap, Giant's Mirror, Motostoke Riverbank, Stony Wilderness, Galar Mine No. 2 (East Sea)
- RaidBridge Field, Giant's Mirror, Lake of Outrage, South Lake Miloch, West Lake Axewell (Max Raid Battle) (East Sea)
- Brilliant Diamond · Shining PearlObtainable
- WildRoutes 205, 218, 221, Fuego Ironworks, Valley Windworks (tall grass) (West Sea)
- WildRoutes 213 and 224 (tall grass) (East Sea)
- WildGrand Underground - Fountainspring Cave
- Legends: ArceusObtainable
- WildObsidian Fieldlands: Ramanas Island, Sandgem Flats, massive mass outbreaks (West Sea)
- WildCobalt Coastlands: Tranquility Cove, Seagrass Haven, massive mass outbreaks (East Sea)
Generation VIIObtainableNot in the game
Generation VIObtainable
- X · YObtainable
- BreedGastrodon (West Sea)
- Trade(East Sea)
- Omega RubyObtainable
- WildRoutes 103 and 110 (hidden Pokémon (After capturing or defeating Groudon)) (West Sea)
- Alpha SapphireObtainable
- WildRoutes 103 and 110 (hidden Pokémon (After capturing or defeating Kyogre)) (East Sea)
Generation VObtainableTrade
- Black · WhiteTrade
- Black 2 · White 2Obtainable
- In-game tradeTrade with Yancy in Nimbasa City (if the player is male) (West Sea)
- In-game tradeTrade with Curtis in Nimbasa City (if the player is female) (East Sea)
Generation IVObtainableTrade
- Diamond · PearlObtainable
- WildRoutes 205, 218, 221, Fuego Ironworks, Valley Windworks (tall grass) (West Sea)
- WildRoutes 213 and 224 (tall grass) (East Sea)
- PlatinumObtainable
- WildRoutes 205 and 218, Valley Windworks (tall grass) (West Sea)
- WildRoutes 205 and 218, Canalave City, Valley Windworks, Fuego Ironworks (Surfing) (West Sea)
- WildRoutes 212 and 213 (tall grass) (East Sea)
- WildRoutes 212 and 213, Pastoria City (Surfing) (East Sea)
- HeartGold · SoulSilverTrade
- Transferfrom Pokéwalker (West Sea)
- Trade(East Sea)
- Pokémon HOME
- Send it to HOME from Pokémon Bank, Sword, Shield, Brilliant Diamond, Shining Pearl, Legends: Arceus, Scarlet and Violet. From HOME it can move into Sword, Shield, Brilliant Diamond, Shining Pearl, Legends: Arceus, Scarlet and Violet.
- Pokémon Champions
- Not on the roster.
Shellos appears in 7 episodes.
From DP041 (2007-07-26) through DP155 (2009-12-10).
TCG Pocket appearances
Shellos in TCG Pocket.
Every printed variant on iOS / Android. Tap any card for full art.
Pokémon like Shellos
Closest matches by typing, role, stats, and lore, from the same semantic search that powers the Reverse Dex.