What is a coral ? Wallpaper 65 Favia sp ((en) Moon Coral, Pineapple Coral, Closed Brain Coral, (de) Hirnkoralle)

Euphyllia yaeyamaensis

Favia sp

Favia sp (en) Moon Coral, Pineapple Coral, Closed Brain Coral, (de) Hirnkoralle

Camera

Nikon D5100

Lens

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