LOS ANGELES: A California aquarium has taken in an orphaned sea otter, but is having to nurture her until she is strong enough to live with her bigger and rougher cousins at the marine center. Ollie, the four-month-old sea otter, weighed only 10 pounds when she was rescued off Santa Cruz aged only a few weeks, and had still not learnt any survival skills because her mother was missing. After being cared for temporarily at the Sea Otter Research and Conservation Center in northern California, she was offered a home at the Aquarium of the Pacific on Long Beach, south of Los Angeles. She now lives in a separate tank at the back of the non-profit aquarium, and will likely be there until later this year when she joins the center's other sea otters, Brooke and Charlie, said senior mammal expert Michele Sousa.