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worms > Phylum Platyhelminthes > Class Turbellaria > Order Polycladida
Silt flatworm
awaiting identification*
Suborder Acotylea

updated Mar 2020

Where seen? Resembling mobile snot, this small flatworm is sometimes seen on soft silty shores as well as sandy areas near reefs, sometimes in large numbers.

Features: 1.5-4cm. Semi-translucent, pale shades matching the surrounding sand or silt, often with tiny speckles. It moves very rapidly, oozing through little holes in the ground. In some a pair of tiny tentacles can be seen. Some were seen stretched out into a long narrow ribbon, others just little ovals.

Grouped in this entry are flatworms of similar shape and size. It is probable that these are different species.

Stylochid.
Pasir Ris Park, Jan 09

Sisters Island, Feb 10

Woodlands, Jul 08

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

Silt flatworms on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores


Pasir Ris Park, Sep 20
Photo shared by Vincent Choo on facebook.


Stylochid.
Chek Jawa, Jun 17
Photo shared by Loh Kok Sheng on facebook.

Stylochid.
Chek Jawa, Jun 17
Photo shared by Marcus Ng on facebook.


Pulau Sekudu, Jul 20
Photo shared by Toh Chay Hoon on facebook.

Berlayar Creek, Mar 20
Photo shared by Loh Kok Sheng on facebook.


Kusu Island, Sep 19
Photo shared by Loh Kok Sheng on facebook.

South Pulau Semakau, Aug 14
Photo shared by Loh Kok Sheng on his blog.


Acknowledgements
Grateful thanks to Rene Ong for sharing details and identifying some of the flatworms on this page.

References

  • Rene S.L. Ong and Samantha J.W. Tong. 29 October 2018. A preliminary checklist and photographic catalogue of polyclad flatworms recorded from Singapore. Nature in Singapore 2018 11: 77–125
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