Ciguatera poisoning

- in carnivorous finfish (barracuda, grouper, seabass) - > 50,000 cases occur globally every year - ciguatera toxin (ciguatoxin) - produced by toxic dinoflagellates in coral reefs in tropical and subtropical waters - toxin accumulates in fish through the food chain - high concentration in fish liver, intestines, roe (eggs), and head - symptoms develop within a few hours