1116-39725 - Mouth detail of a colourful and healthy Mushroom coral, Fungia fungites, that is growing on a tropical coral reef in the Philippines. Mushroom coral is unique in the coral world, in that it does not attach itself to the bottom, Philippines
1116-39729 - Both a Crinoid Commensal Shrimp (Periclimenes cornutus) and a Crinoid Squat Lobster (Allogalathea elegans) on a crinoid. These tiny crustaceans are commensal on crinoids or feather stars and take their color from the host, Philippines
1116-39719 - A Slender Spongegoby (Phyllogobius platycephalops) and two different species of crabs. Attached to the goby are several parasites with egg cases, that will likely prove fatal over time. Many species live on the convuluted surface of this sponge, Philippin
1116-39938 - Mouth detail of a colorful and healthy mushroom coral (Fungia fungites) that is growing on a tropical coral reef. Mushroom coral is unique in the coral world, in that it does not attach itself to the bottom, Philippines
983-125 - Endangered green sea turtle, Chelonia mydas, being cleaned by yellow tang, Zebrasoma flavescens, gold-ring surgeonfish, Ctenochaetus strigosus, and endemic saddle wrasse, Thalassoma duperrey, Kona Coast, Big Island, on migratory route, Pacific Ocean
1067-65 - Coral polyps bleaching, Favia sp. Bleaching occurs when corals stress under high water temperatures and expel their symbiotic zooxanthellae. The coral will starve to death if it does not reacquire zooxanthellae. Buyat Bay, North Sulawesi, Indonesia, Pacific Ocean.
1067-59 - Soft leather coral, Sarcophyton sp., bleaching. This soft coral has lost its symbiotic algae, zooxanthellae, and turned white due to high water temperatures. Buyat Bay, North Sulawesi, Indonesia, Pacific Ocean.
920-91 - Underwater photographer Masa Ushioda and Green sea turtle (Chelonia mydas) getting cleaned by yellow tangs (Zebrasoma flavescens) and lined bristletooth (Ctenochaetus striatus), Kailua-Kona, Hawaii, United States of America, Pacific