This species has been found to produce ciguatoxin- and maitotoxin-like compounds (Fraga et al. 2011)
Fraga, S., Rodríguez, F., Caillaud, A., Diogène, J., Raho, N. & Zapata, M. (2011). Gambierdiscus excentricus sp. nov (Dinophyceae), a benthic toxic dinoflagellate from the Canary Islands (NE Atlantic Ocean). Harmful Algae, 11:10-22