Juergen Freund / Bleached Staghorn corals (Acropora cervicornis), Great Barrier Reef, Australia, 2017.

Georgette Douwma / Coral line nursery with Acropora corals grown to reintroduce to the Bonaire, Netherlands Antilles, Caribbean, Atlantic Ocean.

Floris van Breugel / Staghorn corals (Acropora) on the coast of tropical island Ofu, one of the Manu'a islands, American Samoa. 2012.

Chris Newbert / Stony Coral (Acropora sp) and baitfish, Solomon Islands

Fred Bavendam / Stony Coral (Acropora sp) colony releasing egg-sperm bundles during the mass coral spawning each March at Ningaloo Reef, Western Australia

Fred Bavendam / Staghorn Coral (Acropora cervicornis) colony releasing egg-sperm bundles during the mass coral spawning each March at Ningaloo Reef, Western Australia

Fred Bavendam / Stony Coral (Acropora sp) colony releasing egg-sperm bundles during the annual mass coral spawning on the Great Barrier Reef, Queensland, Australia

Fred Bavendam / Staghorn Coral (Acropora cervicornis) colony with an extensive bleached area at its center, Kimbe Bay, Papua New Guinea

Magnus Lundgren / Wild Wonders of China / Staghorn (Acropora) coral. Kenting National Park, Hengchun Peninsula, Taiwan

Shane Gross / Large field of staghorn coral (Acropora cervicornis) in shallow water off Flores, Indonesia.

Linda Pitkin / Staghorn coral (Acropora cervicornis) growing on Coral nursery 'tree', in project by Coral Restoration Foundation Bonaire. Buddy's Reef, Bonaire, Leeward Antilles, Caribbean.

Linda Pitkin / Staghorn coral (Acropora cervicornis) growing on Coral nursery "tree", in project by Coral Restoration Foundation Bonaire. Buddy's Reef, Bonaire, Leeward Antilles, Caribbean.