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Grooved brain coral (unidentified species in genus Platygyra), a spheroid colony of polyps, in a coastal aquarium in Sarasota, Florida, for motifs of oceanic environment, climate change, and research

Coral reef with great yellow sea sponge at the bottom of tropical sea on a background of blue water, underwater

Colorful corals and salt water environment in a salt water aquarium.

Hard and soft corals on the edge of an underwater cliff. Soft coral Sarcophyton sp. High quality photo

Salad Coral. Sea life Macro, close up. Soft Coral reef Underwater photo Scuba Diver Point of View Red sea

Colorful coral reef at the bottom of tropical sea, great Favites abdita coral, underwater landscape

Live corals in the Red Sea close-up, underwater world.

$At this very healthy reef at Karang Rembang, a sea mountain north of Tayandu Island, this very large Porites Corals dominates the scenery. Porites is one of the most common scleractinian coral species on Indonesian reefs. The average of coral growth rates ranged from 0.8-1.2 cm/year. So this coral must be very old. A Pinktail Triggerfish Melichthys vidua top left and several Damsel and Anthias fishes at the right side. \nKarang Rembang, north of Tayandu Island, Indonesia, 5°27'4.8145 S 132°23'54.7306 E at 16m depth$

Underwater landscape of coral biocenosis with tropical fish on a reef in the Red Sea

Underwater Scene - Tropical Seabed With Reef And Sunshine

Knob coral (Goniastrea stelligera) close-up undersea, Red Sea, Egypt, Sharm El Sheikh, Nabq Bay

Coral reefs are the one of earths most complex ecosystems, containing over 800 species of corals and one million animal and plant species. Here we see a shallow coral reef with a Finger coral (Stylophora pistillata) that is completely bleached white. Coral bleaching occurs when corals are distressed and dying due to the ocean temperature rising. This stress causes them to expel endosymbiotic algae leaving only the dead skeleton. Image obtained whilst scuba diving at Phi Phi, Krabi province, Thailand.

Toadstool Mushroom Leather Coral (Sarcophyton sp) soft coral for beginners

Mosaic coral ( Favites sp. ) Sea life Macro, close up. Hard Coral reef Underwater photo Scuba Diver Point of View Red sea

Coral reefs are raised in glass aquariums

Close-up underwater soft coral on the tropical coral reef at Hon Yen National Park in Phu Yen province, Vietnam

Coral reefs in the Red Sea, Yanbu, Saudi Arabia

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