green seaweeds text index | photo index
Seaweeds > Division Chlorophyta > genus Avrainvillea
Clustered fan green seaweed
Avrainvillea lacerata*
Family Udoteaceae
updated Oct 2016
Where seen? Forming clusters of flat velvety fans, this seaweed is sometimes seen on some of our shores, in coral rubble areas.

Features: Several circular blades (3-4cm wide) that are flat and not frilly or crinkled, on a stalk. Usually growing in clusters of 5-10 or more blades. The flexible blade is made up of a tangle of tiny filaments that give it a velvety texture. Usually olive green to dark green.

According to AlgaeBase there are more than 30 current Avrainvillea species.

Sometimes confused with other fan-shaped green seaweeds. Here's more on how to tell apart fan-shaped green seaweeds.

Sentosa, Jun 05

Labrador, Apr 10

Terumbu Pempang Tengah, May 11

Pulau Pawai, Dec 09

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

Clustered fan green seaweed on Singapore shores

Photos of Clustered fan green seaweeds for free download from wildsingapore flickr


Distribution in Singapore on this wildsingapore flickr map

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].

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