Aggron is protective of its environment. If its mountain is ravaged by a landslide or a fire, this Pokémon will haul topsoil to the area, plant trees, and beautifully restore its own territory. While seeking iron for food, it digs tunnels by breaking through bedrock with its steel horns. It claims an entire mountain as its own. The more wounds it has, the more it has battled, so don’t take it lightly.
Pokédex entry #306
Aggron in Pokémon GO
It's possible to hatch Aggron from an egg?
No, Aggron can't be hatched.
Which are Aggron’s strengths and weaknesses?
Aggron is a rock and steel type Pokémon. rock type pokémons are strong against fire, flying, bug pokémons but weak against water, grass pokémons. steel type pokémons are strong against ice, rock, fairy pokémons but weak against fire, ground, flying pokémons.