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Phylum Cnidaria > Class Anthozoa > Subclass Zoantharia/Hexacorallia > Order Scleractinia > Family Psammocoridae
Crinkled sandpaper coral
Psammocora sp.
Family Psammocoridae
updated Jun 13

Where seen? This hard corals with short crinkly branches is commonly seen on many of our Southern shores

Features: Colonies 15-30cm, overall rounded shapes, made up of short branches that are irregular, crinkled-looking. Some may have branches that are fat and angular, others flattened and more leaf-like. The tiny corallites don't stick much out of the surface and merely give the skeleton a granular texture which gives the common name. When the polyp is retracted, the tiny holes of the corallite look like tiny petals of a flower. Polyps tiny (0.2cm) with short pointy tentacles. With the tentacles extended, the colony has a furry look. Colours seen include pale blue, green and brown.

Among the branches can be seen tiny shrimps, tiny clams and sometimes, fan worms.

Labrador, Jun 05

Sisters Island, Nov 05


Sisters Island, Jan 07

Terumbu Pempang Laut, Aug 10

A tiny clam.

Sisters Island, Jun 07


Sisters Island, Jan 06

St. John's Island, Apr 12

Pulau Tekukor, May 07

A fan worm retracted into its tube.

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

Crinkled sandpaper corals on Singapore shores

Photos of Crinkled sandpaper corals for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map


Terumbu Berkas, Jan 10

Pulau Pawai, Dec 09

Pulau Senang, Jun 10


Pulau Salu, Jun 10
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