Flip Nicklin / Squirrelfish (Holocentrus sp) schooling at reef, Cocos Island, Costa Rica

Flip Nicklin / Squirrelfish (Holocentrus sp) schooling at reef, Cocos Island, Costa Rica

Mark Moffett / Students picking lettuce to prepare salad under direction of Michelle Obama and White House chef Sam Kassat, White House, Washington D.C.

Mark Moffett / President Obama's personal chef Sam Kass in Michelle Obama's vegetable garden, White House, Washington D.C.

Norbert Wu / Common Squirrelfish (Holocentrus adscensionis) Pennant Bannerfish (Heniochus chrysostomus) and Emperor Angelfish (Pomacanthus imperator) near soft coral ledge, Raja Ampat Islands, Indonesia

Chris Newbert / Sea Fan (Melithaea sp) and Squirrelfish (Sargocentron) 60 feet deep, Solomon Islands

Flip Nicklin / Squirrelfish (Holocentrus sp) portrait, Cocos Island, Costa Rica

Pete Oxford / Miss Darlington (Holocentrus rufus), Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Miss Darlington (Holocentrus rufus), Bonaire, Netherlands Antilles, Caribbean

Flip Nicklin / Cavalla (Caranx sp) and Squirrelfish (Holocentrus sp) schools patrolling reef, Cocos Island, Costa Rica

Matthias Breiter / Polar Bear (Ursus maritimus) cub watching cook through window, Churchill, Manitoba, Canada