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 ...
Octopuses are often admired for their intelligence and ability to camouflage. Yet, some hide a threat beneath their tentacles. Among them, blue-ringed octopuses of the Hapalochlaena genus stand out ...
Along the rocky shores of eastern Australia, a small brown octopus is unassuming as it blends in with its surroundings. When the octopus is scared or hungry, however, it becomes one of the most ...
When they're alarmed, blue-lined octopuses display iridescent blue rings on their arms to ward off approaching predators. Totti via Wikimedia Commons under CC BY-SA 4.0 Animals have evolved many ...
Scientists have found that male blue-lined octopuses inject venom and paralyse females during sex to avoid being killed and cannibalised by their much larger partners. The male octopus of this species ...