
Chiropsalmus quadrumanus, a venomous box jelly (Cubozoan) collected off the coast of South Carolina.
Bastian Bentlage

A rainbow of tropical fish hovers over a coral head near the Pearl and Hermes Atoll, part of the Papahānaumokuākea World Heritage Site.
Louiz Rocha

Logo for the Carnival of the Blue.
Carnival of the Blue

A scalloped hammerhead shark at Isla del Coco, Costa Rica.
© Terry Goss 2008/Marine Photobank

A sunset over marshland near Ocean City, N.J.
Flickr User Tony the Misfit

Mangroves are being decimated by human development, like this shrimp farm in Belize.
Ilka C. Feller/Smithsonian Institution, made possible by LightHawk

A beach clean-up in Malaysia brings young people together to care for their coastline.
Liew Shan Sern/Marine Photobank

Terence T.S. Tam from Flickr CC

Flickr user suburbanbloke

A brown pelican, the Louisiana state bird, stands mired in oil in East Grand Terre on June 3, 2010.
Office of the Governor of the State of Louisiana
