East Sea Shellos Pokémon GO is a regional form of Shellos normally found east of longitude 0, while West Sea Shellos appears on the western side of the same divide. That makes Shellos one of Pokémon GO’s more unusual regionals, because its normal availability follows longitude rather than a simple country or continent boundary.
Where to Find East Sea Shellos in Pokémon GO
The normal East Sea Shellos Pokémon GO region covers areas east of longitude 0. West Sea Shellos is normally found west of longitude 0 instead.
This means the regional split cuts through parts of Europe and Africa rather than simply separating entire continents.
East Sea Shellos is the blue form, making it visually easy to distinguish from the pink West Sea version.
East Sea Shellos Pokémon GO Type
East Sea Shellos is a Water-type Pokémon.
Both Shellos forms share the same typing. The difference between them is their appearance and regional availability rather than their battle typing.
East Sea Shellos Weaknesses
As a pure Water-type Pokémon, East Sea Shellos Pokémon GO has a relatively simple weakness profile.
These weaknesses also matter once Shellos is evolved into Gastrodon, although Gastrodon gains Ground typing and therefore has a different defensive profile.
East Sea Shellos Resistances and Defenses
Shellos also resists several attacking types.
Damage taken when Shellos is hit by each type:
Weak to
Resists
Based on Water typing. Abilities may modify these matchups.
The East Sea and West Sea forms have the same type defenses, so neither regional form has an advantage over the other at the Shellos stage.
East Sea Shellos Pokémon GO Regional Details
| Detail | Information |
|---|---|
| Pokémon | Shellos |
| Form | East Sea |
| Pokédex number | #422 |
| Generation | Generation IV |
| Type | Water |
| Regional Pokémon | Yes |
| Normal region | East of longitude 0 |
| Opposite form | West Sea Shellos |
| Shiny available | Yes |
| Evolution | East Sea Gastrodon |
Current regional listings still place East Sea Shellos east of longitude 0 and West Sea Shellos west of longitude 0.
Can East Sea Shellos Be Shiny in Pokémon GO?
Yes, East Sea Shellos Pokémon GO can be Shiny.
Shiny East Sea Shellos is available, so eligible encounters have a chance of producing the Shiny version. Pokémon GO has also specifically featured increased Shiny chances for both East Sea and West Sea Shellos during previous events.
The regional restriction makes collecting both Shiny forms more difficult because most Trainers normally have access to only one side of the longitude split.
That makes events featuring both forms particularly useful for collectors.
East Sea Shellos Base Stats
East Sea Shellos shares its underlying stats with West Sea Shellos.
325Serebii currently lists Shellos with 183 HP, 103 Attack and 105 Defense in Pokémon GO, with the same values applying to the East Sea form.
For most players, however, the biggest reason to catch East Sea Shellos is its regional form rather than its battle performance.
East Sea Shellos vs West Sea Shellos
There are two Shellos forms in Pokémon GO, and both are worth collecting separately.
| Form | Appearance | Normal availability |
|---|---|---|
| East Sea Shellos | Blue | East of longitude 0 |
| West Sea Shellos | Pink | West of longitude 0 |
The division at longitude 0 means you can potentially move between the two Shellos regions without travelling between continents.
The location of the prime meridian makes the split especially interesting around western Europe and Africa.
Does East Sea Shellos Evolve?
Yes. East Sea Shellos Pokémon GO evolves into East Sea Gastrodon.
The East Sea appearance carries through the evolution, meaning the blue Shellos becomes the matching East Sea Gastrodon.
This is useful for collectors because catching the correct regional Shellos form gives you access to its corresponding Gastrodon form as well.
East Sea and West Sea Gastrodon also retain the same regional longitude split in Pokémon GO.
Is East Sea Gastrodon Regional?
Yes. East Sea Gastrodon is normally associated with areas east of longitude 0, just like East Sea Shellos.
However, you do not necessarily need to find Gastrodon separately.
Catching an East Sea Shellos and evolving it gives you the corresponding East Sea Gastrodon, so Shellos is the key regional catch.
How to Get East Sea Shellos Outside Its Region
If East Sea Shellos Pokémon GO does not normally appear where you live, you still have several ways to add one to your collection.
Trade for East Sea Shellos
Trading is usually the easiest option.
Players living east of longitude 0 may have spare East Sea Shellos, while Trainers from the western side can offer West Sea Shellos in return.
That makes the two forms natural regional trading partners.
Wait for a Global Event
Pokémon GO has previously made both forms available more widely during special events.
During Ultra Unlock Part 2: Space in 2021, East Sea and West Sea Shellos were both featured in one-star raids, temporarily giving Trainers access outside the usual regional rules.
Future Sinnoh-themed or global events may create similar opportunities.
Check Research Rewards
Research can also provide access to regional forms.
During the 2024 Pokémon World Championships Twitch Timed Research, Trainers received either East Sea or West Sea Shellos depending on which form was native to their location.
That is a useful reminder that event availability can still respect the normal regional split even when Shellos is offered through Research.
Is East Sea Shellos Rare in Pokémon GO?
The rarity of East Sea Shellos Pokémon GO depends heavily on where you play.
Inside its normal region, East Sea Shellos can appear as a regional wild Pokémon. Outside that area, it may not be available through ordinary wild gameplay at all.
Even when you are on the correct side of longitude 0, seasonal rotations and active events can affect how frequently Shellos appears.
If you are travelling specifically to collect the opposite form, it is worth checking spawns throughout your trip rather than assuming one will appear immediately.
Is East Sea Shellos Worth Catching?
Yes, especially if you care about regional forms or completing the Pokédex.
Catching East Sea Shellos gives you the blue regional Shellos form and also allows you to obtain East Sea Gastrodon through evolution.
If East Sea Shellos Pokémon GO is common where you live, keeping a few extras can also be useful for trading with Trainers from West Sea territory.
A Shiny East Sea Shellos can be particularly valuable to collectors who do not normally have access to the form.
East Sea Shellos Pokémon GO FAQ
Where is East Sea Shellos found in Pokémon GO?
East Sea Shellos is normally found east of longitude 0.
What colour is East Sea Shellos?
East Sea Shellos is the blue form.
Where is West Sea Shellos found?
West Sea Shellos is normally found west of longitude 0.
Can East Sea Shellos be Shiny?
Yes. Shiny East Sea Shellos is available in Pokémon GO.
Does East Sea Shellos evolve?
Yes. East Sea Shellos evolves into East Sea Gastrodon.
Is East Sea Gastrodon regional too?
Yes. East Sea Gastrodon follows the same east-of-longitude-0 regional split as East Sea Shellos.
Can you trade East Sea Shellos?
Yes. Trading is one of the easiest ways to obtain East Sea Shellos if you normally live in West Sea territory.
Track East Sea Shellos in Your Regional Collection
East Sea Shellos Pokémon GO is one of the more unusual regional collectibles because its availability follows the prime meridian rather than a familiar continental boundary.
Collecting the blue East Sea form also gives you access to East Sea Gastrodon, making it worth picking up even if you already have the pink West Sea version.
