Generation 1 · Pokédex profile
Spiral Pokémon
Pokédex entry
One of the ancient and long-since-extinct Pokémon that have been regenerated from fossils by humans. If attacked, it withdraws into its hard shell.
Battle data
Conditional evolutions can require additional game-specific prerequisites beyond the displayed method.
| Method | Location | Level | Evidence |
|---|---|---|---|
| Grass / ground | Whirl Islands Descent | Lv. 27–28 | Source-indexed, not individually verified |
| Gift candidate | Cinnabar Island Pokemon Lab Experiment Room | Lv. 5 | Source-indexed, not individually verified |
Rare grass and Surfing encounters inherit the first native slot's level range. Supplemental fishing follows each rod's native slots. These ranges exclude Lure effects and randomizer replacements; eligibility restrictions still apply.
Data source: configured Grand Anthology Gen 1–9 species, forms and abilities. The website uses frame-cropped copies of the game's existing Pokémon sprites, which remain franchise/artist-owned assets. Some alternate forms use labeled default-form artwork when their individual sprite is unavailable. See acknowledgments for credits.