Nerve toxins may be linked to fish deaths
The millions of sardines found floating in the Redondo Beach Marina earlier this week have tested positive for a powerful nerve toxin.
High levels of Domoic acid were found in the fish, according to a USC biologist whose findings were reported by the Los Angeles Times.
The biologist said critically low oxygen levels in the water caused the sardines to suffocate, but the toxin may explain why the fish crowded in the marina in the first place.
The toxin has been linked to neurological disorders, illnesses and deaths in other sea life.