When a blanket octopus swims, it creates a kaleidoscope of colors twirling underwater. It’s a rainbow of beauty as it glides ...

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 ...

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 ...