Hard Coral Polyps
by Matthew Oldfield/science Photo Library
Title
Hard Coral Polyps
Artist
Matthew Oldfield/science Photo Library
Medium
Photograph - Photograph
Description
Hard coral polyps. Close-up of the polyps of a hard coral (Galaxea sp.). Each polyp has several tentacles, which catch planktonic organisms from the water and pass them to a central mouth. These polyps secrete a hard substance for protection and support. They build huge rock-like structures known as reefs, which commonly form the basis for diverse tropical marine ecosystems. This coral is found in the shallow waters of the Indo-Pacific region. Photographed off Mabul, Malaysia.
Uploaded
October 3rd, 2018
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