Arebonto had fallen victim to potent, naturally occurring toxins that contaminate otherwise normally edible tropical reef fish. The condition, known as ciguatera fish poisoning (CFP), occurs in tropical and subtropical regions of the Indian and Pacific oceans and in the Caribbean.
India ning Vaikse ookeani ja Kariibi mere troopilistel ja subtroopilistel aladel, kus kohalik kala on peamiseks toiduks, võivad täiesti söödavad korallrahude kalad olla nakatunud tugeva loodusliku toksiiniga.