Plankton of the world, beware! While most nudibranchs, or sea slugs, crawl and graze, the melibe sweeps its hood through the water like a net, capturing unsuspecting tiny drifters. A fringe of tentacles interlock and trap prey as the hood collapses to help the slug digest its meal.

Melibes may be expert plankton snatchers, but how do these soft-bodied invertebrates escape being a meal? Researchers have followed their noses to the melibe’s uniquely fruity smell—noxious secretions which may ward off nibbling fish. They can also “swim” away from predators by wiggling from side to side. 

Living on giant kelp fronds or sea grass, melibes live higher up in the water column than most seafloor-bound nudibranchs. They’ve adapted well to the vertical life—as you can see in the background, their white ribbon eggs hang and sway with currents.

Learn more

Notes

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About me

The Monterey Bay Aquarium, perched on the edge of a world-famous coastline, is your window to the wonders of the ocean. It’s located on historic Cannery Row in Monterey and is open daily except Christmas Day.

For more information about our animals and exhibits, and to view our live web cams, please visit www.montereybayaquarium.org.

Hours of operation vary by season. Daily schedules and tickets are available on our website or by calling
(831) 648-4800.