Phylum Chordata | Subphylum Tunicata/Urochordata | Class Ascidiacea
Brain ascidians
awaiting identification*
updated Apr 10

Where seen? These odd blue 'brains' are sometimes seen on our Southern shores near reefs .

Features:
10-15cm in diameter. Rubbery blobs forming on hard surfaces or on stones, with meandering ridges that resembles the surface of a brain. A few small holes only when submerged. Usually beige with shades of pale blue or green.

Terumbu Raya, Feb 09
 

Brain ascidians on Singapore shores


Beting Bemban Besar, Apr 10

Beting Bemban Besar, May 11

Pulau Senang, Aug 10

more photos of brain ascidians on Singapore shores


*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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