Oral Disk of the Giant Green Anemone, Anthopleura xanthogrammica

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An intimate view of the monochromatic oral disk surface of A. xanthogrammica. The flat topography of the disk is interrupted by a large opening though which food passes and undigested material is expelled. Grains of sand dotting the disk surface are probably the undigested remnants of a recent meal. The short conical tentacles surrounding the disk are characteristic of A. xanthogrammica.

In response to The Daily Post’s weekly photo challenge: “Monochromatic.”