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Phylum Cnidaria > Class Anthozoa > Subclass Zoantharia/Hexacorallia > Order Actiniaria
Haeckel's anemone
Actinostephanus haeckeli
Family Actinodendronidae
updated Oct 2016
Where seen? This bizarre and scary-looking anemone is sometimes seen on our shores burrowing in sand near reefy areas.

Features: 10-20cm in diameter. It has about 12 long fat cylindrical tentacles that taper at the tips, and below these, another ring of much shorter, slimmer tentacles. With body column short, smooth, with regular stripes. The tentacles are studded with bumps. Some are a uniform dark brown to black with body column that may be bright orange-red, pale at the base. Others have tentacles are paler with greenish tints, these have fine radiating lines on the oral disk. With olive green body column.

Pulau Hantu, May 09

Tanah Merah, Oct 09


Pulau Sekudu, Jun 12

Paler specimen, with fine white lines on oral disk.

A ring of slimmer shorter tentacles below the long ones, Body column smooth with stripes.


Beting Bronok, Jun 12

Haeckel's anemones on Singapore shores

Photos of Haeckel's anemones for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map


Beting Bronok, Jun 10
Photo shared by Loh Kok Sheng on his blog.

Beting Bronok, May 11
Photo shared by James Koh on his blog

Pulau Sekudu, Jun 12


Tanah Merah, Aug 09
Photo shared by Loh Kok Sheng on his blog.

Seringat-Kias, Jan 17
Photo shared by Loh Kok Sheng on his blog.


Pulau Hantu, Apr 09
Photo shared by Toh Chay Hoon on her blog.

Pulau Hantu, Apr 09
Photo shared by Toh Chay Hoon on her blog.

Pulau Hantu, Aug 14
Photos shared by Marcus Ng on flickr.


Terumbu Semakau, Dec 11

Terumbu Bemban, Jun 15
Photo shared by Neo Mei Lin on her blog.

Terumbu Raya, Feb 09
Photos shared by Steven von Peltz.

strange anemone @ terumbu raya 09Feb2009 from SgBeachBum on Vimeo.


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