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Phylum Echinodermata > Class Holothuroidea
Ashy pink sea cucumber
Holothuria fuscocinerea
Family Holothuriidae
updated Oct 2016

Where seen? This long pinkish sea cucumber is sometimes seen on our Southern shores. Usually well wedged among living corals and coral rubble, usually alone. Holothuria pervicax looks very similar.

Features: 15-20cm long. Body long and cylindrical with a distinct flattened underside with rows of tube feet. 'Fuscocinerea' suggests 'dark' and 'ashy' and indeed, the sea cucumber does look like it has been rolled in ash with dark blotches and splotches on its generally pale pink to beige body. There are small dark-circled white spots all over its body. There are tiny spiky protrusions in the centre of the white spots. Its anus is distinctly ringed with dark brown.

The sea cucumber spits out toxic or sticky strings (called Cuvierian tubules) when disturbed.

Seen mostly at night, only a short part of the front end cautiously sticking out. It is very sensitive and will retract into its hiding place at the slightest disturbance. The front end usually facing downwards against the ground, suggesting that it browses on edible bits that settle on the ground.

Teo Siyang, Lionel Ng and Loh Kok Sheng have identified it and it is a new record for Singapore!

Beting Bemban Besar, Jun 09

Tiny spikes on white circles.

Ashy pink sea cucumbers on Singapore shores

Photos of Ashy pink sea cucumbers for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map


Tanah Merah, Oct 09
Photo shared by James Koh on his blog.

Tanah Merah, Oct 09
Photo shared by James Koh on his blog.


Tanah Merah Ferry Terminal, Jun 15
Photo shared by Loh Kok Sheng on facebook.

Little Sisters Island, Sep 10
Photo shared by Marcus Ng on flickr.


Pulau Hantu, Aug 14

Photo shared by Loh Kok Sheng on his blog.


Pulau Jong, May 10
Photo shared by James Koh on his blog.

Pulau Senang, Jun 10
Photo shared by Loh Kok Sheng on his flickr.

Pulau Pawai, Dec 09
Photo shared by James Koh on his flickr.


Pulau Semakau East, Jul 15
Photo shared by James Koh on facebook.

Links

References

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