All categories / Earth & Environments / Coral Reefs & Atolls / All Coral Reefs & Atolls

Coral reefs are underwater structures made from calcium carbonate secreted by corals that form a home for a diverse range of marine species including fish, crustaceans, echinoderms and sponges to name a few. An atoll is a ring-shaped reef including a coral rim that encircles a lagoon partially or completely. Browse the image collection below for incredible underwater photos, aerial photos, and images of fossilised coral as well as dramatic images of hydrogen bomb explosions on atolls such as Bikini Atoll.

Science Photo Library is your first choice for specialist imagery and videos.

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