Jellyfish refuge. A young trevally (Caranx ignobilis) seeks shelter inside the bell of a jellyfish, whose stinging tentacles deter predators. Dozens of fish species are known to turn to jellyfish ...

With a flattened body and eyes on stalks, its spindly legs grip the empty bell of a small dead jellyfish, a mauve stinger. When alive, this jellyfish glows in the dark and has a nasty sting. The ...