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Seaweeds > Division Rhodophyta > Family Halymeniales > genus Halymenia
Ruffled halymenia red seaweed
Halymenia dilatata*
Family Halymeniaceae
updated Jan 13

Where seen? Like a little petticoat, this large prettily ruffled seaweed is commonly seen our Southern shores, attached to coral rubble. Large loose sheets are often mistaken for discarded red plastic bags!

Features: Clumps of several sheets up to 10-20cm across, translucent flexible (not stiff) slippery and slimy. Edges smooth (not feathery) often in regular ruffles. Each clump can be quite large but the clumps are scattered. Surface may be plain or have large paler blotches or mottles. Colours red, maroon, brownish-orange.

St. John's Island, May 07

Raffles Lighthouse, May 04

Beting Bemban Besar, Apr 10

Sentosa, Oct 04

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

Ruffled halymenia red seaweeds on Singapore shores

Photos of Ruffled halymenia red seaeweds for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map

Pulau Pawai, Dec 09

Pulau Senang, Jun 10

Pulau Berkas, May 10

Pulau Salu, Jun 10


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