worms > Phylum Annelida > Class Polychaeta
Long bristleworm
Diopatra sp.*
Family Onuphidae
updated Nov 08

Where seen? Sometimes, this long bristleworm is seen on the shore, headless and bleeding, usually on our Northern shores near seagrasses. It is the Solitary tubeworm, here's the page with the tubes. Perhaps it was pulled out by feeding birds? There's a lot that we still have to learn about our worms and our shores.

Features: About 20-30cm long. Body flattened and pink to dark red. On the upper part of the body there are reddish feathery appendages the sides which are longer than the bristles on the body. The head has several tentacles.


According to Leslie Harris, these worms belong to Family Onuphidae, genus Diopatra. This is the only genus in the family with these feathery appendages (branchiae with spiraled filaments around a central stem).

Michell Ng shares that the one she saw on Changi on a sandy stretch was spinning in the water, making figure 8 shapes. After taking the photos, when she released it, it proceeded to burrow into the sand.

Chek Jawa, Jan 03
Head chewed off?

Headless
Chek Jawa, Mar 04

Headless
Chek Jawa, Feb 02

Feathery appendages on the sides

Feathery red bristleworms on Singapore shores

Changi, Nov 08

Photos shared by Michell Ng.


Chek Jawa, Jan 03
This one still has its head.

Changi, Jul 04
In its tube

Chek Jawa, Jan 06
The thick leathery tube.

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

Acknowledgement
With grateful thanks to Leslie H. Harris of the Natural History Museum of Los Angeles County for comments on this worm and identification of the worm out of the tube!
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