Bottlebrush green seaweed - Caulerpa webbiana

''Caulerpa webbiana'', commonly known as bottlebrush green seaweed, is a species of seaweed in the family ''Caulerpaceae''.

The seaweed has an olive green to bright green thallus that spreads outward to around 12 to 20 centimetres forming dense clumps on coral rubble among seagrasses. The stems are about 4 to 6 centimetres in length and have small bristles composed of many fine branched filaments, that are arranged in whorls around the stolon in the middle so that it resembles a stiff.. more