Blue-ringed octopuses carry a killer concoction called tetrodotoxin (TTX), a potent neurotoxin that can paralyze living ...

F or years, Britney Taryn and her son Leo frequently visited the San Antonio Aquarium, interacting with the giant Pacific ...

Britney Taryn took her 6-year-old son, Leo, who loves animals and sea life, to the San Antonio Aquarium, where the family members are regulars, last month. But after a giant Pacific octopus in a touch ...

Highly Venomous Aside from its striking coloring, what the blue-ringed octopus is most famous for is its highly toxic venom. Its venom is 1,000 times more powerful than cyanide, and each octopus has ...

All four of the octopus species in the genus Hapalochlaena have tetrodotoxin, making them the four most venomous species of octopus: the greater blue-ringed octopus (H. lunulata), the southern or ...