Delta Zangoose (Pokémon)

Delta Zangoose is a Steel-type Delta Pokémon.

It is not known to evolve into or from any other Pokémon.

Pokédex Entry
Delta Species are Pokemon [sic] that have a different type than usual.

Thunder Underroute
There is a staircase inside of the Thunder Underroute that leads to where Delta Zangoose is hidden; it can only be reached with Rock Climb. It is at level 25 when encountered.