Sea lions and other marine mammals are displaying unprecedented aggression due to domoic acid poisoning. Harmful algal blooms flourishing along the coastline release a neurotoxin called Pseudo- ...

Along some seventy plus miles of southern California coastline, usually curious and playful sea lions are attacking humans in the water. At unprecedented levels, the animals are being poisoned by ...

That way, the sea lions don’t feel like they’re trapped in by a bunch of people, and the people don’t have to worry about panicking them trying to get out of the way," Otjen said.

When sea lions have been exposed to “domoic acid toxicity,” a byproduct of consuming toxic algae, afflicted animals can display unusual behaviors such as their “head swaying back and forth ...

The sea lion “spooked all the surfers and bodyboarders” and was “chasing them in an aggressive fashion,” said Brian O’Rourke, assistant chief lifeguard with Newport Beach Fire.

After a brutal spring of toxic algae blooms turning sea lions into sick, snarling seaside hazards, anxious beachgoers can breathe a sigh of relief as experts say the worst of the poisoning is over.

A sick sea lion resting on a California beach was kicked in the head and beaten with a large piece of driftwood, prosecutors say. Now, 32-year-old Christopher Hurtado, of Santa Paula, has pleaded ...

The sea lion “spooked all the surfers and bodyboarders” and was “chasing them in an aggressive fashion,” said Brian O’Rourke, assistant chief lifeguard with Newport Beach Fire.