| Subphylum Tunicata/Urochordata | Class Ascidiacea
clusters of translucent bubble-like animals are sometimes seen on
and under rocks and stones on our shores.
1-3cm. A smooth translucent bubble with two openings at the top, sometimes
with a colourful ring.
Pulau Sekudu, May 12
ascidians on Singapore shores
are difficult to positively identify without examination of internal parts.
On this website, they are grouped by external features for convenience of