Giant clam, mantle detail, Tridacna gigas, Ailinginae atoll, Marshall Islands (Pacific ocean) UW231-8b
Ascidian, Didemnum molle, oscule detail, Dauin, Negros Island, Philippines PIDUW0729
Parrotfish sleeping, Sparisoma sp., head detail, Ponta da Sapata, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil (S. Atlantic)
Underwater vegetation, predominantly stonewort algae, Chara rusbyana, at Sucuri River, Bonito, Mato Grosso do Sul, Brazil
Freshwater plants in national freshwater spring preserve, Aquário natural, Bonito, Brazil
Split image of the lush vegetation above and bellow water, Sucuri river, Bonito, Mato Grosso do Sul, Brazil
Freshwater plants and river-side trees in national freshwater spring preserve, Aqurio natural, Bonito, Mato Grosso do Sul, Brazil
Large group of brown stingrays, Dasyatis latus, Rongelap, Marshall Islands, Micronesia
Split image of wave showing sandy bottom and island, Rongelap, Marshall Islands, Micronesia
Soft and fan corals, Dendronephthea sp., Bitagane, Atami, Izu peninsula, Japan
Young tiger shark, Galeocerdo cuvier, Kaneohe, Hawaii, USA
Polycerid nudibranch, Nembrotha cristata, external gill detail, Puerto Galera, Mindoro, Philippines PIDUW0667
Polycerid nudibranch, Nembrotha kubaryana, Lapus Lapus Island, Malapascua, Cebu, Philippines PIDUW0385
Blue-green chromis, Chromis viridis, Rongelap, Marshall Islands, Micronesia
Puddingwife wrasse, Halichoeres radiatus, St. Peter and St. Paul's rocks, Brazil, Atlantic Ocean
Collor pattern from scales of a Christmas wrasse, Thalassoma trilobatum, Hanauma Bay, Oahu, Hawaii, USA
Pohnpei, Federated States of Micronesia