What is a coral ? Wallpaper 43 Discosoma sp ((en) Disc Anemone, Metallic Mushroom, Umbrella Mushroom, (de) Scheibenanemone)

Discosoma sp

Discosoma sp (en) Disc Anemone, Metallic Mushroom, Umbrella Mushroom, (de) Scheibenanemone

Camera

Nikon D5100

Lens

AF Micro-Nikkor 200mm f/4D IF-ED