sea cucumbers text index | photo index
Phylum Echinodermata > Class Holothuroidea
Smooth sea cucumber
Acaudina sp.*
Family Caudinidae
updated Apr 2020

Where seen? These large smooth sausage-like sea cucumbers are commonly seen on our Northern shores, often found half buried in sand bars near seagrasses.

10-15 cm long. Body cylindrical and smooth to the touch and somewhat slimy and slippery. One end usually pointed. The feeding tentacles short and stubby. Colours generally uniform: purplish, pale orange or white, with dark flecks and spots.

Changi, Jul 07

Feeding tentacles short and stubby
Buried in the sand.
Changi, May 12

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

Smooth sea cucumbers on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores

Changi Carpark 6, May 21
Photo shared by Jonathan Tan on facebook.

Pulau Ubin, Dec 17
Photo shared by Loh Kok Sheng on facebook.

East Coast Park, Aug 18
Photo shared by Loh Kok Sheng on facebook.

East Coast (G), Dec 2022
Photo shared by Che Cheng Neo on facebook.

East Coast-Marina Bay, Jan 21
Photo shared by Vincent Choo on facebook.

Lazarus Island, Feb 11
Photo shared by Loh Kok Sheng on his flickr.

Links References
  • Ong J. Y. & H. P. S. Wong. Sea cucumbers (Echinodermata: Holothuroidea) from the Johor Straits, Singapore. 10 July 2015. The Comprehensive Marine Biodiversity Survey: Johor Straits International Workshop (2012) The Raffles Bulletin of Zoology 2015 Supplement No. 31, Pp. 273-291.
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