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Phylum Cnidaria > Class Anthozoa > Subclass Zoantharia/Hexacorallia > Order Scleractinia > Family Poritidae
Branching pore coral
Porites sp.*
Family Poritidae
updated May 13

Where seen? This lumpy hard coral with tiny corallites and polyps is commonly seen on many of our shores.

Features: Colonies 10-20cm, sometimes much larger. A boulder-shaped base with irregular lumps sometimes flattened sideways, with rounded, flat tops. Corallites tiny (0.1-0.2cm) hexagonal, packed close to one another. The tiny corallites are shallow and don't stick out of the surface. The surface thus often appears smooth with many tiny pores. Polyps are very tiny (0.1-0.2cm) with short body columns and short tentacles that are usually only extended at night. Colours seen include brown, green, bluish and purplish. Usually the colony is of one uniform colour.

Branching pore coral often provides shelter for small animals such as tiny clams.

May be mistaken for some branching Montipora coral species with ridges which look very similar. For convenience of display, all branching species that resemble Montipora are featured on the Montipora page.

St. John's Island, May 06

Sentosa, Jan 05


Pulau Hantu, Jan 10

Beting Bronok, Aug 05

Pulau Hantu, Jul 07

With a tiny clam wedged among the branches.

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

Boulder pore corals on Singapore shores

Photos for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map


Pulau Pawai, Dec 09

Pulau Pawai, Dec 09

Pulau Pawai, Dec 09


Terumbu Berkas, Jan 10

Terumbu Salu, Jan 10

Terumbu Berkas, Jan 10


Terumbu Berkas, Jan 10

Terumbu Salu, Jan 10

Pulau Senang, Jun 10


Pulau Salu, Aug 10
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