1. Iron pipes and underwater pilings in the ocean inhabited by corals. artificial reef

    Iron pipes and underwater pilings in the ocean inhabited by corals. artificial reef

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  2. Close-up view of seagrass and marine fish underwater in Red Sea. Beautiful natural view of coral ree

    Close-up view of seagrass and marine fish underwater in Red Sea. Beautiful natural view of coral ree

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  3. Amazing adaptation allows marine iguanas to survive on salt water

    Amazing adaptation allows marine iguanas to survive on salt water

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  4. Group of cichlids swim underwater in aquarium. Predatory fishes live in aquarium

    Group of cichlids swim underwater in aquarium. Predatory fishes live in aquarium

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