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Ciguatera fish poisoning (CFP), also known as ciguatera, is a foodborne illness caused by eating reef fish contaminated with ciguatoxins. [4][2] Such individual fish are said to be ciguatoxic. Symptoms may include diarrhea, vomiting, numbness, itchiness, sensitivity to hot and cold, dizziness, and weakness. [1][2] The onset of symptoms varies ...
Mislabeled seafood can create serious health risks, including conditions which may even be fatal. Three common health risks include substituting escolar for tuna, ciguatera and scombroid food poisoning. Mislabeled seafood may also harm pregnant women who are told to avoid certain species of fish during pregnancy.
Gambierdiscus toxicus is a species of photosynthetic unicellular eukaryote belonging to the Alveolata, part of the SAR supergroup. It is a dinoflagellate which can cause the foodborne illness ciguatera, [1] and is known to produce several natural polyethers including ciguatoxin, maitotoxin, gambieric acid, and gambierol. [2][3] The species was ...
The little tunny is a pelagic fish that can be found regularly in both offshore and inshore waters, and it is classified as a highly migratory species. [ 3 ][ 4 ] The little tunny is best identified by the "worm-like" markings on its back and the dark spots appearing between its pectoral and ventral fins. [ 5 ]
The proper identification of fish specimens with DNA barcoding methods relies heavily on the quality and species coverage of available sequence databases. A fish reference database is an electronic database that typically contains DNA barcodes, images, and geospatial coordinates of examined fish specimens.
Several Gambierdicus species produce potent toxin such as ciguatoxin and maitotoxin, which cause ciguatera fish poisoning. [4] Humans often consume the toxins, as herbivorous fish, which feed on macroalgae, ingest the dinoflagellates. Afterwards, carnivorous fish, which are targeted by fishing industries, move the toxins further up the food chain.
The cubera snapper (Lutjanus cyanopterus), also known as the Cuban snapper, is a species of marine ray-finned fish, a snapper belonging to the family Lutjanidae. It is native to the western Atlantic Ocean. It is a commercially important species and is a sought-after game fish, though it has been reported to cause ciguatera poisoning.
Ciguatoxin is produced by Gambierdiscus toxicus, a type of dinoflagellate. The phenomenon occurs in the Caribbean Sea, Hawaii, and coastal Central America. The toxin usually accumulates in the skin, head, viscera, and roe of big reef fish like grouper, wrasse, triggerfish, lionfish, and amberjack. It also affects barracuda, snapper, hogfish ...