A white-v hydroid crab (Hyastenus borradailei), feeding on a colony of green tube coral, Fiji, South Pacific, Pacific

Lyretail Anthias over Coral Reef, Pseudanthias squamipinnis, South Male Atoll, Maldives

Lyretail Anthias over Coral Reef, Pseudanthias squamipinnis, South Male Atoll, Maldives

Cup coral colony (Tubastrea micrantha) A diver looks down on a large cup coral colony. Komodo, Indonesia, Pacific Ocean.

Diver looks at diverse coral reef including a green cup coral colony (Tubastrea micrantha) Komodo, Indonesia, Pacific Ocean.

Green coral (Tubastrea micrantha), detail of open polyps at night, West Escarceo, Puerto Galera, Mindoro, Philippines, Southeast Asia, Asia

Thousands of scalefin anthias (Pseudanthias squamipinnis) hovering over green coral (Tubastrea micrantha), Puerto Galera, Mindoro, Philippines, Southeast Asia, Asia

Thousands of scalefin anthias, Pseudanthias squamipinnis, hover over green coral, Tubastrea micrantha, Puerto Galera, Mindoro, Philippines.