The greater blue-ringed octopus (Hapalochlaena lunulata ... Blue-ringed octopuses are incredibly beautiful animals, especially when they show off their bright patterns. But despite their small size ...

The colorful blue rings of the octopus flash as a signal, but it may already be too late by then. This little predator is a ...

The animal is one of four species of the extremely venomous blue-ringed octopus and is known as a blue-lined octopus due to its non-circular markings. Blue-lined octopuses (Hapalochlaena fasciata ...