A foodborne illness caused by a variety of reef fish such as barracuda, grouper, moray eel, amberjack, sea bass, and sturgeon is known as ciguatera fish poisoning, also known simply as ciguatera.
The Ciguetera toxin is a kind of poisonous element that is found in the Barracuda fish.
This toxin is present in the Barracuda because it consumes other fishes that feeds on algae that produces such toxins
The poison has no effect on the fishes but it is very harmful to humans.
When ingested it can cause a person to have nausea, pain and other cardia related problems.
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