Octopuses don’t always hunt alone — but their partners aren’t who you’d expect. A new study shows that some members of the species Octopus cyanea maraud around the seafloor in hunting ...

An Octopus cyanea hunts with a blue goatfish while a blacktip grouper lies in wait. (Eduardo Sampaio and Simon Gingins) Octopuses would also punch fish to keep the group moving.

An Octopus cyanea hunts with a blue goatfish while a blacktip grouper lies in wait. (Eduardo Sampaio and Simon Gingins) Octopuses would also punch fish to keep the group moving.

An Octopus cyanea hunts with a blue goatfish while a blacktip grouper lies in wait. Eduardo Sampaio and Simon Gingins. Octopuses would also punch fish to keep the group moving.

Octopuses don’t always hunt alone — but their partners aren’t who you’d expect. A new study shows that some members of the species Octopus cyanea maraud around the seafloor in hunting ...

An Octopus cyanea performs a web-over (an extension of its arms and white interbrachial web) between a blacktip grouper and a blue goatfish. Eduardo Sampaio and Simon Gingins.

An octopus cyanea hunting with a blue goatfish, while a blacktip grouper lies in wait. The snout of a cornetfish is also visible on the top of the picture. Credit: Eduardo Sampaio and Simon Gingins.

An Octopus cyanea hunts with a blue goatfish while a blacktip grouper lies in wait. The snout of a cornetfish is also visible at the top of the frame.

An Octopus cyanea hunts with a blue goatfish while a blacktip grouper lies in wait. (Eduardo Sampaio and Simon Gingins) Octopuses would also punch fish to keep the group moving.

An Octopus cyanea hunts with a blue goatfish while a blacktip grouper lies in wait. (Eduardo Sampaio and Simon Gingins) Octopuses would also punch fish to keep the group moving.

An Octopus cyanea hunts with a blue goatfish while a blacktip grouper lies in wait. Eduardo Sampaio and Simon Gingins. Octopuses would also punch fish to keep the group moving.