There's been a recent increase in the number of sea lions becoming sick along the California coast. Marine biologists say the cause is domoic acid, a neurotoxin found within algae blooms. Fish feed on ...

Southern California beachgoers have been warned to be wary around sea lions after a mass poisoning event has made some more aggressive and potentially dangerous to humans. A Ventura County surfer, RJ ...

Marine animals can be fascinating and quite beautiful. However, you should not approach some of them. Certain fish and ...

Here's what happens: The plankton eat algae that contains the acid, and then the fish eat the plankton, and the sea lions eat the fish — one thing surviving off another, passing on the toxic acid.

A minke whale that had been swimming in the Long Beach Harbor died from domoic acid poisoning, tests show. The poisoning is associated with the toxic algae bloom that has sickened and killed other sea ...

Sea lions on the California coast are reportedly displaying strange behavior, likely due to a harmful algae bloom impacting the region, according to marine researchers. The sea lions are likely being ...

Along some 70 miles of Southern California coastline, usually curious and playful sea lions are attacking humans in the water. The animals are being poisoned by the ocean they live in, experts say, ...

SeaWorld San Diego’s rescue team picked up a California sea lion Saturday night after it wandered onto a Carlsbad street while displaying what animal-care staff believe may be symptoms of domoic acid ...

Federal research and funding plays a crucial role in enabling scientists to monitor ocean conditions — including the domoic acid outbreak that is now killing hundreds of marine mammals up and down the ...