Sea creatures keep showing up dead in California waters, and researchers may have an answer as to why. It has to do with ...

State officials are weighing listing the tiny birds as an endangered species, a decision that could have big implications for the farming and renewable energy-focused county.

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 ...

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 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. Rescuers capture a sick sea ...

One surfer recalled a scary attack that happened to him on March 21 Mario Tama/Getty Surfer Rj LaMendola said he was attacked a feral sea lion on March 21 in California. He later learned the ...

Sea lions in Southern California waters had rarely posed a problem for beachgoers, surfers and swimmers. Now, scientists say a naturally occurring bloom of toxic algae, a neurotoxin, is infecting ...

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 ...