Shedinja is a peculiar Pokémon. It seems to appear unsought in a Poké Ball after a Nincada evolves. This bizarre Pokémon is entirely immobile—it doesn’t even breathe. A most peculiar Pokémon that somehow appears in a Poké Ball when a Nincada evolves. A discarded bug shell that came to life. Peering into the crack on its back is said to steal one’s spirit.
Pokédex entry #292
Shedinja is a type bug and ghost Pokémon .
Shedinja in Pokémon GO
It's possible to hatch Shedinja from an egg?
No, Shedinja can't be hatched.
Which are Shedinja’s strengths and weaknesses?
Shedinja is a bug and ghost type Pokémon. bug type pokémons are strong against grass, poison, psychic pokémons but weak against fire, fighting, flying, ghost pokémons. ghost type pokémons but weak against psychic pokémons.