Magby’s state of health is determined by observing the fire it breathes. If the Pokémon is spouting yellow flames from its mouth, it is in good health. When it is fatigued, black smoke will be mixed in with the flames. Its magma-like blood circulates throughout its body. Its body’s heat can top 1,100 degrees Fahrenheit. It’s small, but its body temperature is over 1,100 degrees Fahrenheit. Embers escape its mouth and nose when it breathes.
Pokédex entry #240
Magby is a type fire Pokémon that evolves first into magmar and then into magmortar.
Magby in Pokémon GO
It's possible to hatch Magby from an egg?
Yes, Magby it's a Pokémon that can be hatched from an egg. Magby can be hatched from a 5km egg.
How many CP would Magby have after evolving?
If you’ve catched a Magby and you want to know how many points it would have after evolving, use this evolution calculator and find out easily. You just need to write your Bulbasaur CP and then click “Evolve”.