Seaweeds > Division Rhodophyta
Photo index of red seaweeds on Singapore shores
Sheets, ribbons



Halymenia seaweed
Halymenia
sp.



Halymenia seaweed
Halymenia
sp.



Ruffled halymenia
red seaweed

Halymenia dilatata



Frilly halymenia
red seaweed

Halymenia maculata



Lacy
red seaweed

Martensia
sp.
10-20cm long. Thin red flat blade with fine branches. On coral rubble. Commonly seen on our Southern shores.
10-20cm across. Flat sheets and look like a red version of Sea lettuce (Ulva sp) with feathered edges. On coral rubble. Sometimes seen on some of our Southern shores. 10-20cm across. Flat sheets and look like a red version of Sea lettuce (Ulva sp) with smooth but ruffled edges. On coral rubble. Commonly seen on our Southern shores. Central blade flat somewhat rectangular 8-10cm long with ruffled edges and short irregular extensions. The surface has little bumps. On coral rubble. Often seen on our Southern shores. A lacy circular blade about 5-8cm across. Beige or green with tinges of lilac. Coral rubble near reefs. Sometimes seen on some of our Southern shores.
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all seaweeds

Green seaweeds


sheets, ribbons, filaments

feathery,
serrated strips


spheres, sausages, blobs

fans, disks, branched

Red seaweeds

sheets, ribbons

fleshy stems, beads

soft hairy, feathery


hard branching, encrusting

Brown seaweeds


sheets, ribbons


disks, other shapes
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