The "big red" jellyfish uses its arms to feed (Image: MBARI) Scientists at Monterey Bay Aquarium Research Institute in Moss Landing found a new species of jellyfish off the Farallon Islands near San Francisco. Here are some facts about Big Red, as they call it. Distinctive features: A yard-wide fleshy red bell, four to seven thick arms with wartlike clusters of stinging cells. Lives: 2,000 to 4,800 feet below the surface of the Pacific Ocean, as well as in the Sea of Cortez, in Monterey Bay, and off Hawaii and Japan. Population: So far, 23 have been found by researchers.