Arcanine is known for its high speed. It is said to be capable of running over 6,200 miles in a single day and night. The fire that blazes wildly within this Pokémon’s body is its source of power. Its magnificent bark conveys a sense of majesty. Anyone hearing it can’t help but grovel before it. A Pokémon that has long been admired for its beauty. It runs agilely as if on wings.
Pokédex entry #59
arcanine in Pokémon GO
It's possible to hatch arcanine from an egg?
No, arcanine can't be hatched.
Which are arcanine’s strengths and weaknesses?
arcanine is a fire type Pokémon. fire type pokémons are strong against grass, ice, bug, steel, fairy pokémons but weak against fire, water, rock, dragon pokémons.