Health officials with the Government of the Canary Islands have reported a possible outbreak of ciguatera after finding six cases of food poisoning after consuming black medregal (amberjack) in La Victoria de Acentejo, according to a El Dia report (computer translated).
Ciguatera is not unknown in the Canary Island reporting several cases annually and some 20 outbreaks in the past decade.
More than 400 species of fish, including barracuda, black grouper, blackfin snapper, cubera snapper, dog snapper, greater amberjack, hogfish, horse-eye jack, king mackerel, and yellowfin grouper have been implicated in this food borne illness that’s relatively common in several areas of the world.
This toxin is the result of the accumulation of marine algae and the toxins they produce passing up the food chain. These marine algae hang on to dead coral and seaweed. They are then eaten by herbivore fish which are subsequently eaten by predatory reef fish which concentrates the toxin in its tissue. People get this food borne toxin from eating these contaminated larger fish. The reef fishes are more likely to get contaminated during storms and other turbulence.
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