Whether it's due to a lack of moisture or a lack of nutrients, in Alola the mushrooms on Paras don't grow up quite right.
The mushrooms, known as tochukaso, are controlling the bug. Even if the bug bugs the mushrooms, they tell it to bug off.
Sometimes seen at the foot of trees in humid forests. The mushrooms on its back—called tochukaso—are not present on infant specimens and instead emerge as Paras matures.