Harp Coral - Ctenocella pectinata, also known as Lyre Sea Fan.
Colony comprises long unbranched stems emerging from a lower horizontal branch. The vertical stems arise parallel to one another, on one plane. The overall shape resembles a lyre or harp; or teeth of a comb. The cylindrical stems are smooth and thin. When the polyps are retracted, they form small mounds on the stem. Colours red, brown and white.