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Wiktionary
ciguatoxin

n. (context poison English) Any of several closely related toxins, having a complex structure including a row of thirteen connected heterocyclic rings, produced by algae that are eaten by many fish; causes ciguatera poisoning in humans.

Wikipedia
Ciguatoxin

thumb|300px|right|Chemical structure of the ciguatoxin CTX1B, Showing multiple ether bridges Ciguatoxins are a class of toxic polycyclic polyethers found in fish that cause ciguatera.

There are several different chemicals in this class. "CTX" is often used as an abbreviation.

  • - Ciguatoxin 1

  • - Ciguatoxin 2

  • - Ciguatoxin 3

  • - Ciguatoxin 4B (Gambiertoxin 4b)