Caulerpa taxifolia (M.Vahl) C. Agardh, 1817
This species has characteristic unbranched, narrow, featherlike erect branches. The branches are about 10–30 mm long and are often close together. They are further branched into pinnately arranged ramuli that are distinctly flattened and sickle-shaped. The ramuli are about 6 mm long.
Widely distributed in tropicsl seas, it is also found in some subtropical waters like south-eastern Queensland and the Mediterranean Sea where it has been introduced and considered a pest.
Changi, Pulau Semakau, St John's Island
These algae grow on soft to hard, sandy and rocky substrate in calm to moderately exposed habitats.
The caulerpin found in certain strains of the plant is known to be toxic. The plant is said to have antibacterial, antitubercular and haemagglutinic activities.
Prud’homme van Reine, W. F. & G. C. Trona Jr. (eds.) (2002). Plant resources of South-East Asia No. 15(1). Cryptogams: Algae. Prosea Foundation, Borgor, Indonesia. 318 pp.
Teo, L. W. & Y. C. Wee, 1983. Seaweeds of Singapore. Singapore University Press. 123 pp.
Wee Yeow Chin