A sea lion rescued in Knightsen Saturday, after winding her way up the Delta and finally to a school campus, is recovering at the Marine Mammal Center in Sausalito.

The female California sea lion named Na'au ate some fish and roamed around in her pen on Sunday, said Jim Oswald, center spokesman.

Na'au suffered from toxic algae poisoning in the past, causing her to require rescue in May and July in Santa Cruz County. A sea lion can be poisoned if it eats fish -- its main diet -- that have consumed toxic algae. The illness slowly disintegrates the marine mammals' brains and affects their navigational skills.

Calling it a "good sign" that Na'au is eating and moving, Oswald said it's impossible to know what her prognosis is until a full work-up, including an MRI and EKG are done.

When that will be completed, Oswald could not estimate.

Na'au may need to be kept at the center or in an aquarium permanently or possibly euthanized if the poisoning has caused too much brain damage.

Contact Elisabeth Nardi at 925-952-2617. Follow her at Twitter.com/enardi10.



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