Didemnum fragile   Sluiter,  1909 (Sea Squirt)
Organism information awaits expert curation
Class: Ascidiacea

Size: Colony up to 2cm in length

Colony are encrustated sheet like; spicules are crowded throughout the test. Branchial aperture is surrounded by crowded spicules which are globular with narrow, radially arranged with numerous rays.

Zooids are small. Retractor muscle extends free of the zooid from a short distance down the oesophageal neck. Atrial aperture is wide, exposing most of the dorsal part of the pharynx. Atrial lip is absent. Branchial sac has eight stigmata; 6 coils of vas deferens are around its half only.

Synonym (s)
Didemnum fragilis Sluiter, 1909
(Incorrect Original Spelling)

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 - http://www.idosi.org/mejsr/mejsr5%285%29/9.pdf
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org

Back to Search