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The Marine Mammal Center

FOR IMMEDIATE RELEASE - July 1, 2000

FOR MORE INFORMATION

Kathy Zagzebski 415.289.0184
Sharron Jackman 805.528.0991
Susan Andres 415.289.7369

The Center Reports Rescues of Seizing California Sea Lions

The Marine Mammal Center's field operation in San Luis Obispo County has rescued over thirty California sea lions from Pismo Beach, Oceano Dunes, Morro Bay, Cayucos, and Cambria beaches since mid-June. These animals, mostly adult females in good body condition, are exhibiting symptoms including head bobbing, lethargy, and seizures. After rescue, local volunteers are stabilizing the animals with fluids and medications. Volunteers then transport the animals to The Center's hospital in Sausalito where they are admitted for a full medical exam and ongoing veterinary treatment.

In spring 1998, The Center admitted 70 California sea lions, mostly adult females from the central coast, that exhibited similar symptoms including seizures. These animals were eventually diagnosed with domoic acid poisoning from a toxic bloom of Pseudo-nitzschia australis algae. The algae is consumed by anchovies and other fish, and the poison is subsequently transmitted to sea lions that prey on the fish. The 1998 episode was the first known case of algal toxicosis in marine mammals on the West Coast. Domoic acid has caused deaths of humans on the East Coast of Canada.

The public should be aware that it is illegal under the Marine Mammal Protection Act to harass marine mammals. It is also in the best interests of both people and animals to not disturb or drive back into the water any marine mammals exhibiting these symptoms. Please stay back at least 50 feet, keep dogs and other people away, and call in the sighting-- including the exact location and a description of the animal's condition-- to The Marine Mammal Center at 415.289.SEAL.

The Marine Mammal Center, a non-profit rehabilitation hospital in its 25th year of operation, rescues marine mammals that are ill, injured or orphaned. The Center's rescue range extends from San Luis Obispo through Mendocino counties. The Center uniquely combines its rehabilitation program with scientific discovery and education programs.

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For the latest numbers and rescue sites of seizing sea lions, click here.