Iron Snake Pokémon
Steelix lives even further underground than Onix. This Pokémon is known to dig toward the earth's core. There are records of this Pokémon reaching a depth of over six-tenths of a mile underground.
- This Pokémon will not spawn in the wild, like other evolutions that require a special item.
- , on the official Pokédex website
- Steelix, on the Pokémon wiki