Can Shiny Mega Steelix be caught in Pokemon GO?

Onix (Pokémon GO): Stats, Moves, Counters, Evolution

Soilix Onix Pre Evolution by Hyperagua on DeviantArt

Pokemon 8208 Mega Steelix Pokedex: Evolution, Moves, Location, Stats

STL file onix evolutions 🐉・3D printable model to download・Cults

Pokemon Mega Steelix by getterstudio on DeviantArt

Elite Trainer Mark on X: Onix was Brock's first ever Pokémon. However, it didn't even evolve under his ownership, it evolved into Steelix while his brother Forrest was taking care of it.

Favorite mega evolution ( sorry I messed up the first time)

Pokemon Mega Construx Onix Master Battle Set

Pokemon Steelix GOLD

Pokémon GO: Mega Steelix Energy Timed Research Tasks and Rewards