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.

A wave of sea lions off the coast of Southern California have been sickened by an algae-produced toxin that makes them aggressive.

Los Angeles — 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 ...

The March incident highlights an ongoing deadly outbreak as a neurotoxin ravages wildlife in Southern California.

Surfers at an Orange County hotspot were battling more than just big waves earlier this week. A sea lion acted aggressively toward surfers at the Wedge in Newport Beach, chasing them out of the ...

RELATED: Why are sea lions attacking people in the waters off California’s coast? But there was something off about this one — it would suddenly turn aggressive, chasing the humans out of the ...

But recently in California, *** toxic bloom is affecting large numbers of sea lions, and it's causing disturbing behavior. The LA Times recently reported that there have now been at least 5 ...

A stranded sea lion suffering from suspected domoic acid ... on March 27, 2025 in Oxnard, California ...