sea anemones text index | photo index
Phylum Cnidaria > Class Anthozoa > Subclass Zoantharia/Hexacorallia > Order Actiniaria
Very long anemone
Actinoporus elongatus*
Family Capneidae
updated Feb 2020
Where seen? A stout anemone that is sometimes seen on our Northern and Southern shores. Usually alone in sand bars and sandy stretches near reefs and seagrasses and in sandy artificial swimming lagoons.

Features: Diameter 6-8cm. Body column very long (50cm or longer).Tentacles very short hardly extending beyond the oral disk. Rows of tiny bumps on the oral disk. Body column pale, smooth with a short row of large circular bumps near the top. It can tuck its oral disk partially into the body column. Colours seen include grey, beige, pink.

Cyrene Reef,Jul 10

Very long anemones on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores

Berlayar Creek, Feb 20
Photo shared by Lok Kok Sheng on facebook.

Lazarus Island, Mar 16
Photo shared by Lok Kok Sheng on his blog.

Pulau Semakau (South), Apr 18
Photo shared by Lok Kok Sheng on facebook.

Pulau Semakau, Aug 11
Photo shared by Lok Kok Sheng on his blog.

Grateful thanks to Prof Daphne Fautin for identifiying this anemone.



  • D. G. Fautin, R. Tan, N. W. L. Yap, Tan S. H., A. Crowther, R. Goodwill, K. Sanpanich & Tay Y. C. Sea anemones (Cnidaria: Actiniaria) of Singapore: shallow water species known also from the Indian subcontinent. 10 July 2015 The Comprehensive Marine Biodiversity Survey: Johor Straits International Workshop (2012) The Raffles Bulletin of Zoology 2015 Supplement No. 31, Pp. 44-59.
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