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Phylum Echinodermata > Class Holothuroidea > Order Apodida > Family Synaptidae
Big synaptid sea cucumber
awaiting identification*
Family Synaptidae
updated Jan 14
Where seen? This long synaptid sea cucumber with bobbles along its body length. It is possibly seasonally common as sometimes, many individuals are encountered over a wide area during a single trip. In meadows with long ribbon-like seagrass species.

Features: From 10-12cm to 30 cm long. Long soft body with four rows of bumps along the length of the body separated by four lines. Large feathery feeding tentacles. Each sea cucumber usually seen alone and not in groups. In various colours and patterns: dark maroon, pink, mottled brown, white. They may be different species.

Cyrene Reef, Mar 07
Sometimes mistaken for worms. Here's more on how to tell apart worm-like animals.


Pulau Semakau, Feb 09

Feeding tentacles can be tucked into the body.


Cyrene Reef, Aug 12

Feathery feeding tentacles.

Body covered with tiny hooked sclerites.

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

Big synaptid sea cucumbers on Singapore shores

Photos of Big synaptid sea cucumbers for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map


Sentosa Serapong, Jul 11

Labrador, Feb 09
Shared by Loh Kok Sheng on his blog.

Labrador, Feb 09
Shared by Loh Kok Sheng on his blog.


Sisters Island, Dec 10
Photo shared by Rene Ong on facebook.

Beting Bemban Besar, Nov 14
Shared by Loh Kok Sheng on facebook.

Terumbu Semakau, Dec 15
Shared byJuria Toramae on facebook.

Filmed on Cyrene Reef, Oct 08.

Synaptic Sea Cucumber @ Cyrene Reef from SgBeachBum on Vimeo.


Filmed on Cyrene Reef, Jul 08

giant synaptid sea cucumber ! ....from outaspace from SgBeachBum on Vimeo.

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