ascidians text index | photo index
Phylum Chordata | Subphylum Tunicata/Urochordata | Class Ascidiacea
Beige sheet ascidians
awaiting identification*
updated Feb 13

Where seen? These thin beige sheets are often seen on our Northern shores, and sometimes on our Southern shores.

Colony irregular in outline, about 5-10cm in diameter, found near the mid-water mark, encrusting vertical and horizontal hard surfaces including artificial structures. Also under stones. Smooth, rubbery with many, tightly packed tiny spots. Usually beige in colour. Various kinds of flatworms (Order Polycladida) are sometimes seen on the sheets.

Changi, Aug 12

East Coast, Jun 09

East Coast, Jun 09

Changi, Aug 12

Beting Bronok, Jun 10

Blue spotted flatworm on the ascidian.

Chek Jawa, Aug 05

These flatworms were seen on Beige sheet
ascidians growing beneath a stone.
Tanah Merah, Dec 10

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

Beige sheet ascidians on Singapore shores

Photos of Beige sheet ascidians for free download from wildsingapore flickr

Distribution in Singapore on this wildsingapore flickr map
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