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Get an up-close look at the delicate sea nettles in our Open Sea exhibit!
Watch as their long tentacles and lacey mouth-arms move smoothly through the water. But don't let these unassuming invertebrates fool you — their graceful trailing parts are covered in stinging cells used for hunting as they drift through open waters. When their tentacles touch tiny prey, the stinging cells paralyze it and stick tight. The prey is moved to the mouth-arms and then to the mouth, where it's digested.