Its newly grown legs prevent it from running. It appears to prefer swimming than trying to stand.
The direction of the spiral on the belly differs by area. It is more adept at swimming than walking.
Because it is in ept at walking on its newly grown legs, it always swims around in water.
The direction of its belly spiral differs by area. The equator is thought to have an effect on this.
The swirl on its belly is its insides showing through the skin. It looks clearer after it eats.
— Pokédex entries (via PokeAPI)