Ultra-sun: Despite the danger, it wants to come up on land. So it does its best to waddle along, but when an enemy finds it, it rushes back to the water.Moon: It’s still not very good at walking. Its Trainers should train this Pokémon to walk every day.Alpha-sapphire: Poliwag has a very thin skin. It is possible to see the Pokémon’s spiral innards right through the skin. Despite its thinness, however, the skin is also very flexible. Even sharp fangs bounce right off it.
Prof. Lotus' Notes: The spiral pattern on its belly is supposed to represent how the intestines of tadpoles are sometimes seen through their transparent skin.