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Phylum Cnidaria > Class Anthozoa > Subclass Alcyonaria/Octocorallia > Order Gorgonacea
Tree sea fan
Family Melithaeidae*
updated Dec 2019

Where seen? This beautiful sea fan that resembles the silhouette of a large spreading tree is sometimes seen our Northern and Southern shores on coral rubble. It also grows on artificial surfaces where it is dark, such as on jetty legs.

Features: 10-15cm tall. A thick sturdy 'trunk' at the base, that branches into increasingly finer stems, resulting in an elegant tree-like shape along one plane. There are swollen nodes at the points where the stems branch. Colours seen include
red, pink or white.

Species in the Family Melithaeidae are difficult to tell apart.

Tuas, Oct 10

Beting Bronok, Aug 05
Swollen nodes at branching points.

*
Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display
.
Tree sea fans on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores


East Coast Park, May 16

Photo shared by Jonathan Tan on facebook.

East Coast Park (B), Jun 21

Photo shared by Loh Kok Sheng on facebook.


East Coast Park (B), Jun 21

Photo shared by Loh Kok Sheng on facebook.


Sentosa Serapong, May 14

Photo shared by Loh Kok Sheng on flickr.

Terumbu Bemban, Apr 11

Photo shared by Loh Kok Sheng on his blog.

Terumbu Semakau, Jun 10

Photo shared by Loh Kok Sheng on flickr.


Terumbu Pempang Tengah, Apr 13

Photo shared by Loh Kok Sheng on flickr.

Terumbu Pempang Tengah, May 21

Photo shared by Loh Kok Sheng on facenook.

Acknowledgements
Grateful thanks to Haruka Shikiba of Ryukyu University, Japan for suggesting the identification of these sea fans.

Links

References

  • Fabricius, Katharina and Philip Alderslade, 2001. Soft Corals and Sea Fans. Australian Institute of Marine Science and the Museum and Art Gallery of the Northern Territoriy. 264 pp.
  • Goh, N.K.C. and Chou, L.M. 20 December 1996. An annotated checklist of the gorgonians (Anthozoa: Octocorallia) of Singapore, with a discussion of gorgonian diversity in the Indo-West Pacific. Raffles Museum Bulletin of Zoology Pp. 435-459.
  • Ofwegen, L.P. van, N.K.C. Goh & L.M. Chou. The Melithaeidae (Coelenterata: Octocorallia) of Singapore. Zool. Med. Leiden 73 (19), 6.iii.2000: 285-304, figs 1-13. ISSN 0024-0672.
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