Seaweeds > Division Chlorophyta
Photo index of green seaweeds on Singapore shores
Fans, disks, branched and others


Small coin
seaweeds

Halimeda
sp.

Big coin
seaweeds

Halimeda sp.

Parasol green seaweeds
Caulerpa peltata

Small parasol
green seaweeds

Caulerpa racemosa
var. turbinata

Daisy
green seaweeds

Parvocaulis parvulus
Series of hard coin-like segments about 1cm in diameter or smaller, entire chain 3-5cm long. Segments sually thick and wrinkled. On coral rubble. Commonly seen on many of our shores. Series of hard coin-like segments about 2cm in diameter, entire chain about 10cm long. Segments thin and unwrinkled, but curved. Sometimes bluish. On coral rubble. Sometimes seen on many of our shores. Fleshy umbrella-shaped structures (1-1.5cm) emerging from creeping stem. Bright yellow-green or bluish-green. On coral rubble. Commonly seen on many of our shores. Fleshy umbrella-shaped structures (0.5-1cm) emerging from creeping stem. Bright yellow-green or bluish-green. On coral rubble. Sometimes seen on our Southern shores. Tiny daisy shaped cap (0.5cm) held on a thin stem. On stones. Sometimes seen on some of our Southern shores.

Solitary stiff
fan seaweed

Avrainvillea erecta

Pleated
fan seaweed

Rhipidosiphon javensis

Clustered
fan seaweed

Avrainvillea
sp.
 
Usually growing alone, blade 4-5cm wide stiff paddle-shaped on a long stalk (up to 10cm long). On sand and among coral rubble. Sometimes seen on many of our shores. Blade 2-4cm long, long fan- or spatula-shaped usually with frilly edges. In sand and on coral rubble. Sometimes seen on some of our shores. Cluster of many soft fan-shaped blades about 3cm long without frilly edges. On coral rubble. Sometimes seen on some of our shores. Cluster of many stiff fan-shaped blades about 3cm long without frilly edges. On coral rubble. Sometimes seen on some of our shores.  

Smooth sponge
green seaweed

Cladophoropsis vaucheriaeformis

Holey sponge
seaweed

Ceratodictyon
spongiosum
   
About 20-30cm across, 'stems' about 1-2cm wide. Feels wooly, velvety, spongey or felt-like. No holes along the 'stems'. On coral rubble. Commonly seen on many of our Southern 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. 6-8cm long. A bunch of short thick branches with rounded, knobbly tips. Sometimes small discs. Surface is smooth and slippery. Dark green to olive. Rubble and seagrass meadows near reefs. Sometimes seen on our shores.    

how to tell apart fan-shaped green seaweeds
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photo index of
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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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