You are wandering on a vast ocean. It looks dreamy with some tropical islands in the horizon and calm surface. Suprise, from far ocean, there have screams and howls. While you aren't alert on your boat, you see many creatures, who are having unusual appearance, their hands become wing-like fins to sail while their tongues develop to be dual and flexible. Those creatures are seeming on a hunt as their long tongues are holding harpoons and you better don't try to get closer to them