Summary: Sea lions tussle over frozen herring fed to them by volunteers at the Marine Mammal Center. Buckets of frozen herring are prepared for sea lions and harbor seals at the Sausalito facility, which got $30,000 in Facebook donations in the past year. Tony Hoff, Fred Grumm and Tamyra Thomas feed a bucketful of herring to sea lions at the Marine Mammal Center.
