The chick, in this context.
The Boto-cor-de-rosa, or river dolphin, is a real animal
But the cryptid of the same name is a river dolphin that is actually a shapeshifting trickster, who will turn himself into an attractive man (often depicted wearing a fancy hat to cover the blowhole atop his head) and seduce and bang women.
Already did, unfortunately. There was a time when she was inescapable in fandom circles. Mlpol people are the most punchable persons to have ever existed.