Coral polyps (IMAGE)

University of California - Berkeley

Coral polyps

Caption

Coral polyps of the reef-building species Galaxea fascicularis, tinted purplish brown by symbiotic algae, and their bright green tentacles, colored by fluorescent green protein. The tentacles both capture food passing by and defend the coral from predators and other coral.

Credit

Brandon Sanchez Mejia for UC Berkeley

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