| Phylum Chordata
| Subphylum Tunicata/Urochordata | Class Ascidiacea |
Beige
sheet ascidians
awaiting identification*
updated
Jan 12
Where
seen? These
thin beige sheets are often seen on our Northern shores, and sometimes
on our Southern shores.
Features: 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.
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East Coast, Jun 09
|
Beige
sheet ascidians on Singapore shores

Beting Bronok, Jun 10
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These
flatworms are seen on Beige ascidians growing beneath a stone.
Tanah Merah, Dec 10
|

Chek Jawa, Oct 01
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Sentosa, Apr 10
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St. John's Island, May 10
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*Species
are difficult to positively identify without examination of internal parts.
On this website, they are grouped by external features for convenience of
display.
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