the toxin has been implicated in cases of respiratory irritation, inflammation of the eye and severe contact dermatitis in fishermen. antillatoxin is a very potent neurotoxin, although exact toxicity differs between species. the lethal concentration lc is about 0.1 μm for goldfish, making it the most potent toxin known for goldfish after brevetoxin. it can be cytotoxic to single cerebellar granule cells at concentrations as low as 20 nm in rats but more typically at 50 nm.