Trididemnum spumosum   Kott,  2001 (Sea Squirt)
Organism information awaits expert curation
Class: Ascidiacea

Size: Colony 3cm long

Colony very soft and cushion like, with upper surface raised into a long ridge; spicules are sparse and evenly distributed, observed in siphonal lining of branchial apertures; they are diverse being either burr or globular, both types having 7-8 straight rod like rays.

Zooids are small with 9 short wide branchial siphon and posteriorly oriented atrial siphon. A short retractor muscle projects from the anterior part of the oesophageal neck. 7 stigmata inn each of 3 rows. Dark squamos epithelium, a characteristic feature of this species is present.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal


• 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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