back button photo of damsel fish and branching coral

72 dpi image

Some fish and corals have symbiotic relationships, such as this damsel fish swimming within branching stony coral. The coral branches provide the fish protection from predators, and the fish excretes nitrogen in the form of ammonia, which the coral uses for growth.
(This copyrighted image is used by permission of the photographer and not intended for any type of commercial/non-profit use. Please contact Kip Evans at for more information.)

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