When some algal blooms grow out of control, they can emit a neurotoxin that accumulates in small fish, like sardines and anchovies. When sea lions eat those fish, the toxin binds to their brain and heart. They can have seizures, tremors, vision issues and even cardiac problems.

Wildlife officials believe a toxic algae bloom is responsible for sickening several California sea lions in Malibu. The California Wildlife Center said over the weekend that it had received 14

At least 14 sea lions were reported sick off the coast of Malibu due to toxins created by harmful algal blooms, according to the California Wildlife Center.