ciguatoxin References Quizzes 44 Questions from Britannica’s Most Popular Health and Medicine Quizzes ciguatoxin poison Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: algae/ ToxicityUnlike many other algal toxins, ciguatoxin and maitotoxin are concentrated in finfish rather than shellfish. Levels as low as one part per billion in fish can be sufficient to cause human intoxication. Read MoreUnlike many other algal toxins, ciguatoxin and maitotoxin are concentrated in finfish rather than shellfish. Levels as low as one part per billion in fish can be sufficient to cause human intoxication. Read Morepoison/ Importance to humans…contaminated by a poison called ciguatoxin. The poison, a potent neurotoxin (nerve poison), is accidentally ingested by the fishes in their food; such fish can no longer be used for either human or animal consumption. Read More…contaminated by a poison called ciguatoxin. The poison, a potent neurotoxin (nerve poison), is accidentally ingested by the fishes in their food; such fish can no longer be used for either human or animal consumption. Read More