The toxin responsible for envenomation in blue-ringed octopus and Japanese Fugu (tetrodotoxic) poisoning from puffer fish ingestion.
n. puffer-fish toxin, one of the most powerful known nerve toxins with a mortality of about 50%. There is no known antidote.
Poisoning by saxitoxin, a toxin present in some shellfish, usually in tropical or subtropical seas. Symptoms of respiratory arrest, or brain involvement occur in some 8% of cases, resulting in death. Saxitoxin is related to tetrodotoxin.... paralytic shellfish poisoning
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