Shoal Shell is an item in the “Collectibles” category (Items). It costs ₽20.
In-game descriptions
| Ruby / Sapphire · Emerald | A seashell found deep inside the SHOAL CAVE. |
|---|---|
| FireRed / LeafGreen | A pretty seashell found deep inside the SHOAL CAVE. It is striped in blue and white. |
| Diamond / Pearl · Platinum · HeartGold / SoulSilver | A pretty seashell that was found deep inside the Shoal Cave. It is striped in blue and white. |
| Black / White · Black 2 / White 2 | A pretty seashell that can be found deep inside the Shoal Cave. A maniac will buy it for a high price. |
| X / Y | A pretty seashell that can be found deep inside the Shoal Cave. |
| Sun / Moon · Ultra Sun / Ultra Moon · Let’s Go, Pikachu! / Let’s Go, Eevee! · Sword / Shield | A seashell that you found inside Shoal Cave. |
Where to find it
Not placed on the atlas maps (so far: Red/Blue and Generation 3).
Sources : PokeAPI (items, item_flavor_text, machines) · atlas · pokeemerald species_info.h