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worms > Phylum Annelida > Class Polychaeta
Feather star worms
awaiting identification
Family Myzostomidae
updated Oct 2016

Where seen? These tiny worms are found only on feather stars. Their colours and patterns usually perfectly match their host.

What is a scale worm? They are segmented bristleworm belonging to the Family Myzostomidae, Class Polychaeta, Phylum Annelida. The polychaetes include bristleworms, and Phylum Annelida includes the more familiar earthworm.

Features: About 1cm long. These worms are usually flat and broad with tiny 'feet' which can hardly be seen. Their colours and patterns usually perfectly match their host.

What do they eat? They are considered to be parasites on the feather star host.

Sisters Island, Aug 12



Sisters Island, Aug 12

Feather star worms on Singapore shores

Photos of Feather star worms for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map


Beting Bronok, Jun 12
Photo shared by James Koh on flickr.

Changi, Nov 17
Photo shared by Loh Kok Sheng on facebook.

Changi, Nov 20
Photo shared by Loh Kok Sheng on facebook.


Sisters Island, Jan 10
Photo shared by Loh Kok Sheng on his flickr

Sisters Island, Jan 10
Photo shared by Loh Kok Sheng on his flickr

Sisters Island, Jan 10
Photo shared by James Koh on his flickr


Pulau Salu, Apr 21
Photo shared by Loh Kok Sheng on facebook.

References
  • Eeckhaut, I. Vandenspiegel, D. and Grygier M.J. Myzostomida (Annelida) from Singapore, with related Indo-Pacific distribution records and descriptions of three new species. Raffles Bulletin of Zoology 1995 42(3): Pp. 669-688
  • Eeckhaut, I. and Jangoux, M. Contramyzostoma bialatum (Annelida: Myzostomida), a new genus and species of parasitic myzostome infesting comatulid crinoids. Raffles Bulletin of Zoology 1995 43(2): Pp. 343-353.
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