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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. 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

Common Cuttlefish Anything But Ordinary

These cephalopods can change their skin color and pattern almost instantly. They use their skin to communicate by flashing stripes and patches of color to convey threats or courtship messages. Check out these masters of disguise in Tentacles!

All Aboard the Free MST Trolley!

Avoid parking and traffic by hitching a free ride on the MST Trolley. The electric trolley runs from 10 a.m. to 7 p.m. daily and stops at the Aquarium, Cannery Row, Fisherman's Wharf and downtown Monterey.

See the New View from Our Open Sea Cam

Watch the Open Sea from a new angle! We've updated our web cam to give you a better view of the one-million-gallon exhibit, where tuna and sharks speed past, schools of sardines swarm and sea turtles cruise across the massive 90-foot window.

You are Here!

Our free app for iPhone and iPod touch takes advantage of Apple's new indoor positioning to make it easy for visitors to pinpoint their location and quickly navigate to the most popular exhibits, animals and amenities using a new interactive map.

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.