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Phylum Echinodermata > Class Holothuroidea > Order Apodida > Family Synaptidae
Sponge synaptid sea cucumber
awaiting identification*
Family Synaptidae
updated Apr 2020
Where seen? This small synaptid sea cucumber is commonly seen in groups on all kinds of sponges on many of our Northern shores.

Features: 5-8cm long, can stretch out 15cm. Body cylindrical, thin skinned. Some are smooth, others with bumps in four rows along the body. Colours uniformly white, pink, purple (ranging from lilac to mauve and deep purple). Some with darker stripes made up of tiny dashes. Feeding tentacles short and feathery, often also with stripes.

Sometimes mistaken for worms. Here's more on how to tell apart worm-like animals.

Chek Jawa, Jul 05

Chek Jawa, Jul 05

Chek Jawa, May 04

Sometimes long with large bumps.
Cyrene Reef, Mar 07

Uniform colour,
no obvious stripes between bumps.

*Species are difficult to positively identify without close examination.

On this website, they are grouped by external features for convenience of display

Sponge synaptid sea cucumbers on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores


Punggol, Nov 20
Shared by Vincent Choo on facebook.

East Coast Park, May 21
Shared by Loh Kok Sheng on facebook.


Sentosa Tg Rimau, Apr 21
Shared by Richard Kuah on facebook.

Lazarus Island, Nov 20
Shared by Vincent Choo on facebook.


Pulau Hantu, Apr 21
Shared by Vincent Choo on facebook.

Terumbu Semakau, Dec 15
Shared by Juria Toramae on facebook.
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