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aquarium fish background stock videos & royalty-free footage Tropical underwater sea fish. Underwater fish reef marine. Soft and hard corals. Underwater fish garden reef. Reef coral scene. Coral ...

Coral have a special algae—called zooxanthellae– in their tissues that photosynthesize the sun's rays into energy/food. Tan bushy soft coral is a branching coral with many extensions growing from a ...

Although corals are ... of Earth’s reefs have already been lost. Global warming and ocean acidification are two of the most important factors, but not the only threats. To better understand how to ...