A common neurotoxin produced by algae blooms is making California sea lions more aggressive. Here’s why it has the power to change behavior—and the danger it poses.

Driven mad by toxic chemicals released by algae flourishing in warming oceans, sea lions and other marine mammals are ...

Marine experts say these attacks are not common, but are happening more often. That’s due to a toxic algae bloom that are ...

“When conditions are right, waters off the coast of California can experience large-scale toxic algal blooms that are capable ...

A teenage girl was attacked, Sunday, in the waters off Long Beach by an aggressive sea lion. The 15-year-old was ...

It started as a normal surf session for RJ LaMendola. He was roughly 150 yards from the beach in Southern California, riding ...

A California surfer was left injured and shaken after a violent sea lion attack, which experts believe was triggered by a ...

I love the beach, I love the ocean, I love swimming,' she told KTLA. Earlier this year, surfer Rj LaMendola was left 'shaken to his core' after being mauled by a sea lion infected with a ...

A marine mammal nonprofit has assessed more than 200 sea lions and 10 dolphins apparently sickened with domoic acid poisoning ...

A surfer in California was terrorized by an aggressive sea lion that bit through his wetsuit, dragged him off his board and ...

Sea lions aren't super high on the list of aquatic animals surfers usually need to worry about encountering in the water.

Domoic acid poisoning is stranding marine mammals as warnings are issued to beachgoers of the threat posed by animals that ...