Producer of a maitoxin-like compound, which is lethal to mice (Holmes 1998). CTX toxicity has been demonstrated by mouse bioassay (Kohli et al. 2015)
Holmes, M. J. (1998). Gambierdiscus yasumotoi sp. nov. (Dinophyceae), a toxic benthic dinoflagellate from southeastern Asia. <em>J. Phycol.</em> 34(4): 661-668.
Kohli, G.S., Papiol, G.G., Rhodes, L.L., Harwood, D.T., Selwood, A.,Jerrett, A., Murray, S.A. & Neilan, B.A. (2014). A feeding study to probe the uptake of maitotoxin by snapper (<i>Pagrus auratus</i>). <em>Harmful Algae 37: 125-132.</em>