This tiny seaweed that looks like tiny brown pimples are sometimes
seen on moist shady areas in our natural rocky shores, often among other
seaweeds. Elsewhere, they are generally found on limestone rocks and
near caves and shady areas.
Features: Tiny spherical
or teardrop-shaped bumps (0.5-1cm). In clusters, often tightly packed together. These
emerge from creeping rhizomes that cling to the hard surface. Although
it appears brown it is a red seaweed
According to AlgaeBase:
there is only one species of Acrocystis.
are difficult to positively identify without microscopic examination.
On this website, they are grouped by external features for convenience of
red seaweeds on Singapore shores
species recorded for Singapore
Pham, M. N.,
H. T. W. Tan, S. Mitrovic & H. H. T. Yeo, 2011. A Checklist of
the Algae of Singapore.
- Lee Ai Chin, Iris U. Baula, Lilibeth N. Miranda and Sin Tsai Min ; editors: Sin Tsai Min and Wang Luan Keng, A photographic guide to the marine algae of Singapore, 2015. Tropical Marine Science Institute, 201 pp.
- Pham, M.
N., H. T. W. Tan, S. Mitrovic & H. H. T. Yeo, 2011. A
Checklist of the Algae of Singapore, 2nd Edition. Lee Kong Chian Natural History Museum, National University of Singapore,
Singapore. 99 pp. Uploaded 1 October 2011. [PDF, 1.58 MB].
- Trono, Gavino.
C. Jr., 1997. Field
Guide and Atlas of the Seaweed Resources of the Philippines..
Bookmark, Inc., the Philippines. 306 pp.