Ciguatera toxin is commonly found in Florida, Hawaii, Caribbean and the Pacific Islands. Ciguatoxin is produced by harmful algae blooms called dinoflagellates. Most dinoflagellates are harmless, however some produce toxins that can accumulate in larger reef fish, ciguatera fish list include Barracuda, Snapper, Grouper and Hogfish just to name a few. There were ciguatera test kits manufactured to detect ciguatera toxicity but as far as we know they are no longer available.
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