Public Education Visit to Chek Jawa, Pulau Ubin, 19th and 20th Oct 2001, 5-7pm
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Organism Guide Sheet
phylum ECHINODERMATA

Sand Dollar
Sandflat
About 8 cm in diameter
Knobby Starfish
Protoreaster nodosus
Seagrass/lagoon, sandflat
To about 30 cm across
Sea Urchin
Seagrass/lagoon
Around 4 cm in diameter

Brittle Star
Widespread
Around 10 cm across
Starfish
Luida sp.
Sand/mudflat
To about 10 cm across
Thorny Sea Cucumber
Pentacta sp.
Sand/mudflat
About 6 cm

Sea Cucumber
Holothuria sp.
Seagrass/lagoon, sandflat
To about 20 cm

Ball Sea Cucumber
Phyllophorus sp.
Sand/mudflat, seagrass/lagoon
To about 10 cm