The Pincoya is the extraordinarily beautiful goddess of the sea, appearing on the beaches dressed in seaweed and phosphorescent plankton, together with her husband, the ‘Pincoy’, who attracts her with his melodious voice, inviting her to dance. If she returns to the sea at the end of the dance, it assures a period of abundance, and if she looks towards the beach, there will be a time of scarcity. The victims of shipwrecks also receive her aid.
She’s sort of like a mermaid with legs, with Groundhog Day-like powers. And, she has a pet sea otter (el gato del mar).
If you were looking for an obscure costume for next Halloween, this might be it. Good luck finding an otter.