Synoicum prunum   (Herdman,  1899) (Sea Squirt)
Organism information awaits expert curation
Class: Ascidiacea

Size: Colony is about 5cm high and 3cm in diameter; Zooids 8mm long.

Colony is large, oval with sandy base. The test is firm and gelatinous, opaque in preservative.outer test embedded with sand.

Long thread like zooids are found with long posterior abdomen; thoraces longer and narrow than the abdomen. About 10 long muscles on the thorax, atrial lip fleshy with anterior rim of the atrial opening has a straight tip. There are 18 rows with upto 9-11 stigmata per row; long oesophagus curves to enter smooth and small stomach. The long duodenum, inflated mid intestine and posterior stomach are distal to the stomach in the gut loop.

Synonym (s)
Polyclinum prunum Herdman, 1899
(Original combination)
Polyclinum prunum Herdman, 1898
Psammaplidium prunum (Herdman, 1899)
(New combination)

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal


• Tamil Nadu, Chinnamuttom (Lat: 8.1) (Long: 77.56) INDIA
• Kerala, Vizhinjam Bay (Lat: 8.37) (Long: 76.93) INDIA

Literature Source(s)
  • Jaffarali, HA; Sivakumar, V and Selvi, MT (2010) New records of colonial Ascidians from the South West coast of India Middle-East Journal of Scientific Research IDOSI Publications 5(5) 366-373 Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

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