Photo of the Day: Tuesday September 22 2009 By Brian Skerry | Published Sep 22, 2009 5:06 PM Galleries A blue shark cruises through the waters off the coast of New England. A red colored parasitic copepod, attached to the shark's dorsal fin, streams behind. SHARE MORE TO READ RELATED These are the funniest wildlife photos of 2021 The winning photos from this year's Comedy Wildlife Photography Awards are both relatable and hilarious. READ NOW RELATED NatGeo’s 50 greatest images, and 5 other photo exhibits worth seeing right now A select list of inspiring and/or intriguing fine art photography shows taking place at museums and galleries throughout the US in December and January. RELATED Environmental Photographer of the Year – winners and finalists announced The 2021 Environmental Photographer of the Year Awards showcase human resilience, call to attention our collective impact, and celebrate sustainability.