Illustration of Dinophysis acuminate, a dinoflagellate. D. acuminata is a planktonic toxic bloom-forming species. The most extensive blooms have been reported from the summer and fall months. Blooms have been reported from many parts of the world
Illustration of Pfiesteria piscicida (Dinoflagellate) , responsible for many harmful algal blooms in the 1980s and 1990s on the coast of North Carolina and Maryland. The species name piscicida means "fish-killer."
Illustration of Amphidinium operculatum (Dinoflagellate) , an epi-benthic/epiphytic algae that is considered toxic and linked to ciguatera toxins