Sydney rock oyster on half shell with two empty shells

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Description: English: Photograph of commercially-sold Sydney rock oyster (Saccostrea glomerata) on a half shell (bottom valve) with two views of empty shells (also lower valves, inside and outside). Image shows three shells, top-down view on a matte white background. Inside of shell is white, with a wavy black margin. The external shell surface is encrusted with algae, barnacle shell remnants, and marine worm tubules. Date: 3 January 2020. Source: Own work. Author: Pelagic. Camera location34° 00′ 00″ S, 151° 00′ 00″ E View all coordinates using: OpenStreetMap-34.000000; 151.000000.