The adult sea lions are being found just as rescue centers gear up for saving sea lion pups that typically are found struggling at this time of year.

The animals appear to be suffering from exposure to a neurotoxin produced by algal blooms that accumulates in fish the sea lions eat.

At least five adult sea lions have died. What we know. Though harmful to sea life, algal blooms are natural events that usually last four to eight weeks. When some algal blooms gr