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Domoic acid (DA) is a kainic acid-type neurotoxin that causes amnesic shellfish poisoning (ASP). [1] It is produced by algae and accumulates in shellfish , sardines , and anchovies . When sea lions, otters, cetaceans, humans, and other predators eat contaminated animals, poisoning may result.
Amnesic shellfish poisoning (ASP) is an illness caused by consumption of shellfish that contain the marine biotoxin called domoic acid. [1] In mammals , including humans, domoic acid acts as a neurotoxin , causing permanent short-term memory loss , brain damage , and death in severe cases.
Their symptoms have been consistent with domoic acid poisoning. (Justin Sullivan/Getty Images) By the time the rescue squad got to her, a small crowd had formed around the agitated California sea ...
The marine mammals are suffering from domoic acid, a neurotoxin that affects the brain and heart, the institute said in a statement. The poisoning event is largely affecting adult female California sea lions, it said. The nonprofit said it had rescued 23 animals so far.
The likely cause, domoic acid from an offshore algae bloom, is not unusual. But the breadth of the poisoning, which can cause brain damage, seizures and death in sea lions, is rare, experts say.
Neurotoxic shellfish poisoning (NSP) is caused by the consumption of brevetoxins, which are marine toxins produced by the dinoflagellate Karenia brevis (among several others). These toxins can produce a series of gastrointestinal and neurological effects.
Sea lions off the coast of California are dying from domoic acid poisoning caused by consuming fish or muscles that have been eating the toxic algae.
Rescuers check a sea lion for domoic acid ingestion on Thursday at Surf Beach near Lompoc. The neurotoxin from algal blooms accumulates in small fish, poisoning large sea mammals that eat them.