Legend has it that Ninetales came into being when nine wizards possessing sacred powers merged into one. This Pokémon is highly intelligent—it can understand human speech. Very smart and very vengeful. Grabbing one of its many tails could result in a 1,000-year curse. It has nine long tails and fur that gleams gold. It is said to live for 1,000 years.
Pokédex entry #38
ninetales in Pokémon GO
It's possible to hatch ninetales from an egg?
No, ninetales can't be hatched.
Which are ninetales’s strengths and weaknesses?
ninetales 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.