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

The California sea lion was picked up off a street near beach in Carlsbad. Officials say it may be a case of domoic acid ...

Levels of lead and other heavy metals spiked in L.A.’s coastal waters after the January fires, raising serious concerns for ...

The diagram shows how mercury can accumulate in the food chain. In the sea, tiny animals and plants called plankton absorb the mercury compounds. When the plankton are eaten by small fish ...

Sea lions and dolphins can be seen along LA coastlines from Long Beach to Malibu as toxic algal bloom continues to increase.

All other life ever identified, on land or in the sea, derives its energy either ... providing nutrients for animals higher up the food chain. Some creatures, such as the mollusks known as ...