An aggressive sea lion sent surfers running this week after it repeatedly went after them, even coming onto the beach, video ...

The horde of “demonic” sea lions that attacked people off the California coast in recent weeks lashed out because they were sickened by mind-warping toxic algae, scientists have discovered.

One of the largest harmful algae blooms recorded along the Southern California coast has led to the illness and death of ...

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 ...

Although most of the marine mammals affected by domoic acid toxicity are California sea lions, other animals are also susceptible to its effects, according to the Marine Mammal Center. Domoic acid ...

Toxic algae blooms contain a neurotoxin that is likely impacting the sea lions. Sea lions on the California coast are reportedly displaying strange behavior, likely due to a harmful algae bloom ...