Ascidia sydneiensis   Stimpson,  1855 (Sea Squirt)
Organism information awaits expert curation
Class: Ascidiacea

Image copyrights: Arjan Gittenberger

Size: Max length 30.0 cm TL (male)

Color: Transparent, translucent

Synonym (s)
Ascidia bisulca Sluiter, 1904
Ascidia compta Sluiter, 1898
Ascidia diplozoon Sluiter, 1887
Ascidia divisa Sluiter, 1898
Ascidia donnani Herdman, 1906
Ascidia incerta Herdman, 1899
Ascidia incerta Herdman, 1898
Ascidia limosa Sluiter, 1887
Ascidia longitubis (Traustedt, 1882)
Ascidia longitudinalis Seeliger, 1901
Ascidia pyriformis Herdman, 1880
Ascidia sydneyensis Stimpson, 1855
Phallusia canaliculata (Heller, 1878)
Phallusia divisa (Sluiter, 1898)
Phallusia incerta (Herdman, 1899)
Phallusia longitubis Traustedt, 1882
Phallusia pyriformis (Herdman, 1880)
Phallusia sydneiensis (Stimpson, 1855)

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal, Open Sea, Coastal


• Tamil Nadu, Tuticorin (Lat: 8.78) (Long: 78.13) INDIA
• Tamil Nadu, Narippaiyur INDIA
• Maharashtra, Mumbai Harbour, Tidal Basin INDIA (Record: 06/1995-09/1996)
• Maharashtra, Mumbai Harbour, South Break waters INDIA (Record: 06/1995-09/1996)
• Maharashtra, Thane-Mumbai Bay (Lat: 18.91) (Long: 72.83) INDIA (Record: 06/2000-09/2001) (Depth: -15 mts)
• Maharashtra, Mumbai (Lat: 18.91) (Long: 72.83) INDIA (Record: 06/2000-09/2001) (Depth: -8 mts)
• Tamil Nadu, Tuticorin (Lat: 8.75) (Long: 78.20) INDIA (Record: 2002-2003)
• Tamil Nadu, Keezha Kurumpanai INDIA
• Tamil Nadu, Tuticorin Harbour INDIA
• Tamil Nadu, Karapad Creek INDIA
• Tamil Nadu, Valinokkam INDIA
• Tamil Nadu, Seeniappa Dharga INDIA
• Kerala, Vizhinjam INDIA

Literature Source(s)
  • Swami, BS and Chhapgar, BF (2002) Settlement pattern of ascidians in harbour waters of Mumbai, west coast of India Indian Journal of Marine Sciences CSIR 31(3) 207-212 Available at -
  • Rao, DVS (2005) Comprehensive review of the records of the biota of the Indian Seas and the introduction of non-indigenous species Aquatic Conservation: Marine and Freshwater Ecosystems John Wiley and Sons, Ltd. 15(2) 117-146 Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Gittenberger, A The Dutch ascidians homepage Available at -
  • Sealifebase Available at -
  • Swami, BS and Udhayakumar, M (2010) Seasonal influence on settlement, distribution and diversity of fouling organisms at Mumbai harbour Indian Journal of Marine Sciences National Institute of Science Communication And Information Resources, CSIR, New Delhi, India 39(1) 57-67 Available at - NIO,Goa
  • Jaffar Ali, AH; Sivakumar, V and Tamilselvi, M (2009) Distribution of Alien and Cryptogenic Ascidians along the Southern Coasts of Indian Peninsula World Journal of Fish and Marine Sciences IDOSI Publications 1(4) 305-312 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:2011-02-22

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