The proliferation of algae and dinoflagellates during these warming events could increase the number of people affected by toxins (such
as ciguatera) due to the consumption of marine food sources (Union des Comores, 2002; see also Chapter 16, Section 16.4.5).
In the 2007 outbreak, nine people fell ill due to
ciguatera fish poisoning (CFP), which can occur after consuming predatory ocean fish — such
as barracuda, amberjack, red snapper, and grouper — that have eaten contaminated plant - eating fish.