Blue-ringed octopuses are undeniably stunning. When they are alarmed, these animals will show off the eponymous iridescent blue rings that cover their body and arms. But their adorably small size and ...

Don’t be fooled by its small size and dazzling blue rings this tiny octopus carries enough venom to kill 26 people in mere minutes. With no known antidote, the blue-ringed octopus is one of the ...