Trididemnum miniatum   Kott,  1977 (Sea Squirt)
Organism information awaits expert curation
Class: Ascidiacea

Colour: Colony light green; white

Colony is thin encrustating; Spicules are uniformly distributed throughout the test; they are small with broad base and are having crowded flat tipped cylindrical rays. The symbiotic cells are Prochloron. Bladder cell layer is distinct; green cells are sparse at the base of the colony. Spicules are globular and small with cylindrical rays.

Branchial siphon is short with pointed lobes. A lateral organ is present on the thorax. 6-7 stigmata are in each of the three rows. A retractor muscle projects from the anterior of the thorax. Vas deferens coils around 7 ½. Larvae not observed.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal


• Tamil Nadu, Leepuram (Lat: 8.11) (Long: 77.55) INDIA
• Tamil Nadu, Keezha Kadiappattanam INDIA
• Tamil Nadu, Pozhikarai INDIA
• Tamil Nadu, Kayalpattinam INDIA
• Tamil Nadu, Chinna Ervadi 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 -
  • Sealifebase Available at -
  • Meenakshi, VK; Renganathan, TK; Senthamarai, S and Jeyalakshmi, J (2003) Marine biodiversity - Taxonomy of Indian Ascidians Technical report Available at - Biodiversity Informatics Group, NIO, Goa

Page last updated on:2011-02-15

Back to Search