sea anemones text index | photo index
Phylum Cnidaria > Class Anthozoa > Subclass Zoantharia/Hexacorallia > Order Actiniaria
Striped sand anemone
Paracondylactis hertwigi
Family Actiniidae
updated Dec 2024
Where seen? This small anemone is often seen on our Northern shores, on soft silty sand near seagrasses.

Features: Diameter with tentacles 3-4cm. It has about 40 semi-transparent tentacles that taper to a pointed tip. On the upper side of the tentacles, there is a pattern of white bars across a pair of dark parallel lines that run the length of each tentacle. The oral disk has a pattern of radiating stripes and white bars. The edge of the mouth has dark-and-light bars.
Body column smooth without large bumps (verrucae), although there are a few bumps near the oral disk.

Status and threats: As at 2024, it is assessed not to be approaching the criteria for being listed among the threatened animals in Singapore. 

Pulau Sekudu, Apr 06

Changi, Aug 18
Photo shared by Loh Kok Sheng on facebook.

*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.

Striped sand anemones on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores


Coney Island, Oct 20
Photo shared by Richard Kuah on facebook.


Changi, Oct 10
Photo shared by Loh Kok Sheng on flickr.


East Coast NSRCC, Nov 20
Photo shared by James Koh on flickr.


Terumbu Pempang Laut, Jan 22
Photo shared by James Koh on facebook.

   

Links
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.
  • Daphne Gail Fautin and Ria Tan. 29 June 2016. Sea anemones (Cnidaria: Actiniaria) of Singapore: redescriptions of Paracondylactis singaporensis (England, 1987) and P. hertwigi (Wassilieff, 1908) Raffles Bulletin of Zoology Supplement No. 34: 170–177.
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