seaweeds text index | photo index
Seaweeds > Division Rhodophyta
Photo index of red seaweeds on Singapore shores
Fleshy stems




Agar-agar
seaweed

Gracilaria
sp.



Robust red
seaweed

Solieria robusta



Bushy ball seaweed

Hypnea pannosa
15-20cm long. Slender, cylindrical 'stems'. Black, maroon, purplish. On rocks and coral rubble. More commonly seen on our Northern shores. To about 15cm long. Thick cylindrical 'stems'. Reddish or yellowish brown. On rock and rubble, and sand near seagrasses. Commonly seen on some of our Northern shores. Tangles of thin 'stems' finely branched giving an overall prickly appearance. On coral rubble. Sometimes seen on our Southern shores. Tangles of thin 'stems' finely branched giving an overall prickly appearance. On coral rubble. Sometimes seen on our Southern shores. 6-8cm. Fleshy cylindrical 'stems' that branch thickly with tapering tips. Forms bushy balls. On coral rubble. Sometimes seen on our Southern shores.
         



Knobbly red
seaweed

Gracilaria salicornia



Spiny red
seaweed

Acanthophora
sp.



Corny red
seaweed

Palisada perforata



Holey sponge seaweed

Ceratodictyon
spongiosum



Bumpy finger
seaweed

awaiting identification
1-15cm. 'Stems' made up of joined up club-shapes. On rock and rubble. Black, maroon. Sometimes olive green. Sometimes seen on many of our shores. 10-15cm. 'Stems' with spiny branches. Black, brown, yellowish brown. On rock and rubble. Commonly seen on many of our shores. 4-7cm. Branching 'stems' covered with tiny bumps so they resemble corn. Purplish, pink. Sometimes seen on some of our shores. About 20-30cm across, 'stems' about 1-2cm wide. Feels wooly, velvety, spongey or felt-like. With regularly spaced holes along the 'stems'. On coral rubble. Sometimes seen on our Southern shores. Thick, hard 'fingers' 8-20cm long, branching, tips rounded, surface sometimes covered with bumps. On coral rubble. Sometimes seen on undisturbed Southern shores.




photo index of
seaweeds on this site
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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