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worms > Phylum Platyhelminthes > Class Turbellaria > Order Polycladida
Halloween flatworm
awaiting identification*
Family Pseudocerotidae
updated Oct 2016

Where seen? This black flatworm with orange and white ruffled margins is all ready for Halloween. It is sometimes seen on remote reefs.

Features: 5-8cm long. Body black with broad white and orange margins. Sometimes three narrow white parallel lines starting from the head, fading towards the end of the body, the two outer lines wider, the central line much narrower.

Pulau Biola, Dec 09
Photo shared by Loh Kok Sheng on his flickr.

St John's Island, Nov 12

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

Halloween flatworms on Singapore shores

Photos of Halloween flatworms for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map

Pulau Semakau, Feb 09
Photo shared by Loh Kok Sheng on flickr.

Terumbu Semakau, Dec 12
Photo shared by Loh Kok Sheng on his blog.

Beting Bemban Besar, Nov 18
Photo shared by Jesselyn Chau on facebook.

Terumbu Pempang Kecil, Jan 15
Photo shared by Jianlin Liu on facebook.

Terumbu Semakau, May 18
Photo shared by Lisa Lim on facebook.
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