brown seaweeds text index | photo index
Seaweeds > Division Phaeophyta
Perforated brown seaweed
Hydroclathrus sp.*
Family Scytosiphonaceae
updated Jan 13

Where seen? This 'holey' brown seaweed is sometimes seen often anchored in bare sand in calm shallow areas near reefs on our Southern shores.

Features: Each clump about 6-10cm. The seaweed is made up of fleshy but narrow strips perforated regularly with many holes of various sizes, forming contorted mesh- or net-like clumps. When young, the seaweed is an irregular sphere. Usually a light or golden brown. 'Clathratus' means 'latticed'.

Human uses: It is eaten by people as a salad mixed with vegetables or as a spice. It is also used as animal feed, fertiliser and medicine.

Pulau Hantu, Mar 10

Pulau Hantu, Jan 12

*Seaweed species are difficult to positively identify without microscopic examination.
On this website, they are grouped by external features for convenience of display.

Perforated brown seaweeds on Singapore shores

Photos of Perforated brown seaweeds for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map

Hydroclathrus 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.

  Hydroclathrus cancellatus
Hydroclathrus clathratus

Links

References

  • 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].
  • Huisman, John M. 2000. Marine Plants of Australia University of Western Australia Press. 300pp.
  • Calumpong, H. P. & Menez, E. G., 1997.Field Guide to the Common Mangroves, Seagrasses and Algae of the Philippines. Bookmark, Inc., the Philippines. 197 pp.
  • Trono, Gavino. C. Jr., 1997. Field Guide and Atlas of the Seaweed Resources of the Philippines.. Bookmark, Inc., the Philippines. 306 pp.
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