It was fortuitously discovered during a deep sea expedition. Its teeth have atrophied, so it now survives on microscopic organisms it sucks up. Relicanth is a Pokémon species that existed for a hundred million years without ever changing its form. This ancient Pokémon feeds on microscopic organisms with its toothless mouth. A rare Pokémon discovered during a deep-sea exploration. It has not changed in over 100 million years.
Pokédex entry #369
Relicanth is a type rock and water Pokémon that doesn't evolve
Relicanth in Pokémon GO
It's possible to hatch Relicanth from an egg?
No, Relicanth can't be hatched.
Which are Relicanth’s strengths and weaknesses?
Relicanth is a rock and water type Pokémon. rock type pokémons are strong against fire, flying, bug pokémons but weak against water, grass pokémons. water type pokémons are strong against fire, ground, rock pokémons but weak against water, grass, dragon, electric pokémons.