The blue-lined octopus (Hapalochlaena fasciata), a tiny but deadly cephalopod, has developed a unique and ruthless solution to a longstanding problem: surviving mating. Sexual cannibalism is ...

The Blue-ringed octopus, also known as Hapalochlaena, is a small-sized octopus species with an incredibly striking appearance. These octopuses usually range from the size of a golf ball to that of a ...