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

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 endured the most harrowing and traumatic experience of my 20 years of surfing,” the photographer and explorer said.

A longtime surfer and marine wildlife advocate was "left shaken" to his core after a relentless and horrifying encounter with ...

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 ...

Sea lions on the California coast are displaying strange behavior likely due to a harmful algae bloom impacting the region, ...

Filter-feeding fish ingest a deadly algal neurotoxin called domoic acid and are then eaten by sea lions, seals and dolphins.