Punching octopuses lead fish on hunting parties

In this undated photo, an octopus known as a day octopus hunts with a blacktip grouper on one side and a gold-saddle goatfish on the other. Octopuses and fish are routinely seen working together on the ocean floor, and now scientists say that the cephalopods are the leaders of the pack. (Eduardo Sampaio via The New York Times)

Effective leaders consider all of their options before making a decision. They work with others from different backgrounds. They’re ready to give anyone who steps out of line a swift punch to the gills.