>>3604535https://en.wikipedia.org/wiki/Blue-ringed_octopus"They are recognized as one of the world's most venomous marine animals.[2] Despite their small size—12 to 20 cm (5 to 8 in)—and relatively docile nature, they are dangerous to humans if provoked and handled because of their venom which contains the powerful neurotoxin tetrodotoxin."
