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| hard corals text index | photo index |
| Phylum Cnidaria > Class Anthozoa > Subclass Zoantharia/Hexacorallia > Order Scleractinia > Family Faviidae |
| Smooth
hexagonal corals awaiting identification * Family Merulinidae updated Nov 2019 Where seen? This hard coral is seen on many of our shores Features: Colonies 20-30cm, usually irregular dome-shaped. Corallites hexagonal (1cm) with a smooth surface in between the corallites. Often seen with tentacles extended. Colours brown, blue and green, smooth surface usually a pale colour, sometimes with polyp centres in a contrasting colour. Some species of corals recorded for Singapore that have these patterns include: Leptastrea purpurea. It's hard to distinguish them without close examination of small features and they are grouped here by large external features for convenience of display. Sometimes confused with Neat hexa corals (Pseudosiderastrea tayamai) which belong to Family Siderastreidae. |
 Sentosa, Jul 05 |
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 Tuas, Jul 06  |
 Sentosa, Nov 05  |
 Terumbu Raya, Jul 11  |
*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.
| Smooth hexagonal corals on Singapore shores |
On wildsingapore
flickr
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| Other sightings on Singapore shores |
 Terumbu Salu, Jan 10  |
