 Many aquatic hobbyists purchase the coral for their bright coloring unaware of the toxins present and the danger of the toxin if it is disturbed.A similar event occurred in the UK in August 2019 .A formerly unknown derivative of palytoxin, ovatoxin-a, produced as a marine aerosol by the tropical dinoflagellate "Ostreopsis ovata" caused hundreds of people in Genoa, Italy, to fall ill.