Sting of Death (1966)

Plot

A group of biology students sets off for a carefree vacation in Florida's Everglades, but their getaway quickly turns into a nightmare. They encounter a terrifying creature—a mutated jellyfish-human hybrid that is both bloodthirsty and lethal. As they grapple with this unexpected horror, the students must find a way to survive against a relentless monster that threatens their lives and transforms their holiday into a fight for survival. The beautiful scenery contrasts sharply with the deadly danger lurking beneath the surface.