Phylum Chordata | Subphylum Tunicata/Urochordata | Class Ascidiacea
Blob ascidians
awaiting identification*
updated Jan 12

Where seen? These rounded blob-shaped animals are commonly seen on our Northern shores .

Features:
Colony about 5-10cm in diameter. Rubbery blobs forming on hard surfaces or on stones near the mid-water mark. In various shades of black, red, yellow, brown and beige.

These blob ascidians look like the ones that are sometimes used by some sponge crabs for camouflage and protection.

Changi, May 06

Pulau Ubin, Dec 09

Blob ascidians on Singapore shores


Changi, May 06

East Coast, Jun 06

Changi, May 06


Pasir Ris Park, May 09

East Coast, Jun 06

Sentosa, Apr 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.
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