Pokémon Pokopia has new forms for some older monsters, but fans have also discovered what seems to be a tease of one we might see in Pokémon Winds and Waves when those games launch next year.
In one of the notes you can find in the remnants of human society, there is a reference to a “heretofore unknown yellow Shellos.” Fans will know Shellos and its evolved form Gastradon have different appearances depending on where you find them in the Sinnoh region. If the sea slug is found on the West Sea, it will be pink and white, and if you find it on the East side, it will be blue and green. So this yellow form could be hinting at a new regional variant of the monster, and given that Winds and Waves takes place in an archipelago, it’s entirely possible Shellos may show up, but it goes a bit deeper than that.
© The Pokémon Company / BulbapediaAs SoulSilverArt lays out, it’s entirely possible that Winds and Waves’ tropical setting, which is seemingly based on Southeast Asia, may draw inspiration from the “Wallace Line,” which is a boundary used to designate the split between Asia and Australia’s climates. Given that location and boundaries factor into Shellos’ different forms, fans think this yellow form might appear in Winds and Waves. Will it be the only new Shellos form, or could it get an opposite counterpart similar to the Sinnoh monsters?
SPOILERY
Pokopia mentions but apparently doesn’t contain a new Yellow Shellos form?!
Could this be a tease to this line getting North and South Forms in Pokémon Wind and Waves.
It’d PERFECTLY fit the Wallace line of WIWA’s region inspiration.
AND don’t forget one new thing BDSP… https://t.co/44yWy1hpVF pic.twitter.com/1zcz1TSjtw
— SoulSilverArt (@soulsilverart) March 5, 2026
The yellow Shellos doesn’t seem to be part of Pokopia itself, so the logical next step is that this could be a hint for Winds and Waves, but we still know remarkably little about the games, despite a bunch of leaks over the past year and change.
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