An Octopus cyanea hunts with a blacktip grouper on one side and a blue goatfish on the other. Octopuses don’t always hunt alone — but their partners aren’t who you’d expect. A new study shows that ...

Caption: An octopus cyanea hunting with a blacktip grouper on one side and a gold-saddle goatfish (‘blue goatfish’) on the other. An octopus patrols a shallow reef, searching for food–and it’s not ...

Off the coast of Eilat in Israel, a big blue octopus propels itself forward, flailing its tentacles, with a troop of groupers fish following it. At some point during its hunting trip, the octopus ...

I’ll see your octopus and raise you one seahorse. Turns out, an octopus isn’t terribly rare in these waters, though it’s quite odd to find one deep inshore — as famously happened last week in Mosquito ...