This jelly gets its name from a clapper-shaped mouth stalk that dangles inside its translucent oval bell, which grows to about 2.5 inches in diameter. It has over 100 wispy tentacles and red ocelli, or eyespots, which are sensitive to light. Bell jellies are found in bays and harbors along the Pacific Coast, spending half their time near the seafloor to feed on small bottom-dwelling creatures. Bell jelly populations are dwindling, possibly from the effects of dredging, pollution, and collection for medical research in neurobiology.
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