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worms > Phylum Platyhelminthes > Class Turbellaria > Order Polycladida
Purple-spotted yellow flatworm
Pseudoceros laingensis
Family Pseudocerotidae
updated Oct 2016

Where seen? This delightfully spotted flatworm is sometimes seen on our Northern shores, among coral rubble. It seems to be seasonally common, with many of worms seen on one visit, and none later on. It is more active at night. The flatworm is named after Laing Island in Papua New Guinea.

Features: 4-6cm long. Usually not very ruffled. Body cream or yellow with scattered purple spots. Some have very few spots on the body, in others, there are portions with spots and portions without. Often a paler or white stripe along the centre of the body. Margin of purple spots close to one another. Underside uniformly cream. It has a pair of small pseudotentacles at the front made up of folded edges of the body.

Changi, May 09

Purple-spotted yellow flatworms on Singapore shores

Photos of Purple-spotted yellow flatworms for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map

Beting Bronok, May 11
Photo shared by Toh Chay Hoon on her blog.

Chek Jawa, Oct 10
Photo shared by Neo Mei Lin on her blog.

Pulau Sekudu, Jul 15
Photo shared by Loh Kok Sheng on his blog.

Changi, Dec 13
Photo shared by Loh Kok Sheng on his blog.

Pulau Semakau, May 08
Photo shared by Tan Sijie on his blog.

Terumbu Raya, Jul 11
Photo shared by Lok Kok Sheng on his blog.

Terumbu Raya, Jun 15
Photo shared by Russel Low on facebook.


  • Pseudoceros laingensis on Encyclopedia of Life, LifeDesks, Marine Flatworms - Polycladida: Technical fact sheet.
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