A shortfin mako shark, the fastest-swimming shark in the world, was caught on camera with an octopus catching a ride on its back off the coast of New Zealand. When you purchase through links on our ...

Holiday harvesting is putting pressure on octopus populations along the Garden Route, with surveys showing sharp declines at ...

Octopuses have gotten a reputation for being cunning camouflagers and intelligent creatures. But some are known for a more ominous reason: They're deadly. One group — the blue-ringed octopus (genus ...