Ridged
corallimorph
Platyzoanthus mussoides
Family Discosomidae
updated
Jul 2024
Where
seen? These little ridged disk-like animal is sometimes
seen on our Southern shores, growing on coral rubble.
Features: Each polyp about 4-5cm
in diameter, in a group of 5-10. Oral disk has a ridged surface. In
some the ridges form a maze-like pattern, in others the ridges radiate
in a straight line from the central mouth. The mouth is usually held
upturned. Colours seen a uniform unpatterned brown, dark to orangey or pinkish
brown.
Status and threats: There is inadequate information as at 2024 to make an informed assesment of its conservation status in Singapore. |
Sisters Island, Jan 12
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Sisters Islands, Feb 06
Splitting up into two?
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Sentosa, Jun 06
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St John's Island, Aug 05
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*Species are difficult
to positively identify without close examination.
On this website, the animals are grouped by external features for convenience
of display.
Ridged
corallimorphs on Singapore shores |
Other sightings on Singapore shores |
Terumbu Bemban, Jun 10
Photo shared by James Koh on his
blog. |
Terumbu Semakau, Jun 22
Photo shared by James Koh on facebook. |
|
Terumbu Salu, Jan 10
Photo shared by Loh Kok Sheng on his
flickr. |
Terumbu Bemban, Jul 11
Photo shared by Loh Kok Sheng on his
blog. |
Pulau Salu, Apr 21
Photo shared by Loh Kok Sheng on facebook. |
References
- Checklist of Cnidaria (non-Sclerectinia) Species with their Category of Threat Status for Singapore by Yap Wei Liang Nicholas, Oh Ren Min, Iffah Iesa in G.W.H. Davidson, J.W.M. Gan, D. Huang, W.S. Hwang, S.K.Y. Lum, D.C.J. Yeo, 2024. The Singapore
Red Data Book: Threatened plants and animals of Singapore.
3rd edition. National Parks Board. 258 pp.
- Ren Min Oh, Mei Lin Neo, Nicholas Wei Liang Yap, Sudhanshi Sanjeev Jain, Ria Tan, Chaolun Allen Chen and Danwei Huang Citizen science meets integrated taxonomy to uncover the diversity and distribution of Corallimorpharia in Singapore, The Raffles Bulletin of Zoology Volume 67, Pp. 306-321.
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