Actually, I believe it is a Pacanara, then evolves into a Artigasia Magna. Considering its moveset, it can eventually learn surf, which both species are seen as wetland animals. Nidoqueen is also very distinctive of her physical characteristics: can stand, gigantic, and wears a bikini armor. She is also described to have high maternal instincts, of which Artigasia Magna has, as it is the ancestor of Capybaras. The Pacanara's fur pattern resembles the dots on her hind legs, along with its viral behavior, bathing in nature. Check them out on youtube, it seems to be taking a shower like a human!