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Get an up-close look at the delicate sea nettles in our Open Sea exhibit.

Watch our sea nettles 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. When their tentacles touch tiny drifting 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.

Don't Miss

Meet the Rainbow-Makers!

As comb jellies move through the water, their eight rows of cilia defract the light and produce a beautiful, shimmering effect. You can see two species—the lobed comb jelly and the sea gooseberry—on display together in our Open Sea exhibit.

All Aboard the Free MST Trolley!

Hop aboard the MST trolley for a fast, fun and free ride to the Aquarium! The trolley runs every 10 to 15 minutes with stops in downtown Monterey, Fisherman's Wharf, Cannery Row and the Aquarium. Look for the electric trolley in the fleet for an emission-free trip!

This Jelly's Glow Helps Scientists

Scientists have used the bioluminescent proteins from crystal jellies to find and study genes, and even to create special mice that glow green. You can see their glow for yourself in the Open Sea exhibit.

¡Viva Baja! Life on the Edge Now Open

It's a land and sea adventure starring rainbow-colored fishes, round-bellied iguanas and other amazing animals from Baja's desert, mangrove forests and coral reefs. Get a glimpse of Baja, by way of Monterey!

View The Jellies Experience Curriculum

Our standards-based curriculum has been developed to provide educators with easy-to-use, Aquarium-centered science activities for the classroom.