Maculotoxin: A Neurotoxin from the Venom Glands of the Octopus Hapalochlaena maculosa Identified as Tetrodotoxin

Abstract
Maculotoxin, a potent neurotoxin isolated from the posterior salivary glands of the blue-ringed octopus. Hapalochlaena maculosa, has now been identified as tetrodotoxin. This is the first reported case in which tetrodotoxin has been found to occur in a venom.