Blastoise has water spouts that protrude from its shell. The water spouts are very accurate. They can shoot bullets of water with enough accuracy to strike empty cans from a distance of over 160 feet. The pressurized water jets on this brutal Pokémon’s shell are used for high-speed tackles. It crushes its foe under its heavy body to cause fainting. In a pinch, it will withdraw inside its shell.
Pokédex entry #9
blastoise is a type water Pokémon that evolves from squirtle and wartortle.
blastoise in Pokémon GO
It's possible to hatch blastoise from an egg?
No, blastoise can't be hatched.
Which are blastoise’s strengths and weaknesses?
blastoise is a water type Pokémon. water type pokémons are strong against fire, ground, rock pokémons but weak against water, grass, dragon, electric pokémons.