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| hard corals text index | photo index |
| Phylum Cnidaria > Class Anthozoa > Subclass Zoantharia/Hexacorallia > Order Scleractinia > Family Agariciidae |
| Ringed
plate coral Pachyseris speciosa* Family Agariciidae updated Oct 11 Where seen? This plate-like hard coral with rings of concentric ridges is sometimes seen on our undisturbed Southern shores among living corals. 'Pachys' means 'thick' while 'seris' means 'lettuce-like'. It is also known as Serpent coral and Elephant skin coral. Features: Plate-like colonies 10-20cm, sometimes larger on undisturbed reefs, forming tiers of thin plates. The upper surface has ridges that are parallel to the growing edge, thus forming concentric rings. There is a texture of fine lines perpendicular to the ridges. |
 Pulau Semakau, Aug 07 |
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 Fine lines perpendicular to thick ridges. |
 Thick ridges form concentric rings. |
Ringed plate corals on Singapore shores
 Pulau Hantu, Jun 08 |
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 Pulau Hantu, Aug 03  Concentric rings. |
 Pulau Hantu, Jan 10  |
 Beting Bemban Besar, May 10  |
*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.
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Links
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Australian Institute of Marine Science, Australia. 3 volumes.
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