Foodborne IllnessQuestion 18 of 320
Ciguatera poisoning is caused by a toxin found in certain large predatory reef fish. Which fish is a common source?
a.Farm-raised tilapia
b.Barracuda and large grouper
c.Atlantic cod
d.Canned sardines
Explanation
Ciguatera toxin accumulates in large predatory reef fish such as barracuda, amberjack, and large grouper; the toxin cannot be destroyed by cooking or freezing. Buying fish from approved, reputable suppliers is the main control. Farmed tilapia, cod, and canned sardines are not typical ciguatera sources.
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