A mixture of Acropora species scleractinic hard corals, on a coral reef in Gaafu Dhaalu atoll, Maldives

A mixture of scleractinic hard corals on a coral reef in Gaafu Dhaalu atoll, Maldives

A mixture of scleractinic hard corals on a coral reef in Gaafu Dhaalu atoll, Maldives

A mixture of Acropora species scleractinic hard corals, growing on a coral reef in Gaafu Dhaalu atoll, Maldives

A mixture of Acropora species scleractinic hard corals, growing on a coral reef in Gaafu Dhaalu atoll, Maldives

Acropora species scleractinic hard corals, showing some bleaching, growing on a coral reef in Gaafu Dhaalu atoll, Maldives

A myriad of hard and soft corals compete for space on the substrate of Darwin's Wall, Palau, Micronesia, Pacific

Split image of staghorn coral, Acropora sp., and island, Truk lagoon, Chuuk, Federated States of Micronesia, Pacific

Pink hydrocoral (lace coral), Stylaster sp., Namu atoll, Marshall Islands (N. Pacific).

Blue-green chromis, Chromis viridis, Rongelap, Marshall Islands, Micronesia

Split image of staghorn coral, Acropora sp., and uninhabited island, Ailuk atoll, Marshall Islands, Pacific

Red (Lace) coral, Distichopora violacea, feather stars, and juvenile gray reef shark, Carcharhinus amblyrhynchos, Ailuk atoll, Marshall Islands, Pacific

Grooved Brain Coral

Grooved Brain Coral

Lobed Star Coral