Photo of the Day

a humphead wrasse and a school of fish in the Great Barrier Reef
October 21, 2014

Napoleon Invasion

A humphead wrasse, also known as a Napoleon wrasse, builds a living frame as it swims through a school of fish in the waters off Australia. Photographer Christian Miller captured the shot on a windy day right after a cyclone had passed the far northern Great Barrier Reef. “Never before [had I seen] that many glass fish on this particular coral bommie [outcrop],” he writes.

This photo was submitted to the 2014 National Geographic Photo Contest.


Download wallpaper »
See all contest entries »
Browse galleries of our editors' favorites »

Photograph by Christian Miller

Go Further

Subscriber Exclusive Content

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history