Ascidiella aspersa   (Muller,  1776) (Sea Squirt)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Ascidiacea
Order:Phlebobranchia
Family:Ascidiidae

Image copyrights: Steve Trewhella

Description
Size: 7 cm * 3 cm.

Solitary; test is thick, soft and covered with small processes. Siphons wide apart. Test is thick and transparent. Mantle is thin and transparent. Dorsal tubercle is horse-shoe shaped, ends turbed slightly in or out. Tentacles are simple , in three sizes. Stomach is with longitudinal folds. Renal vesicles are large, scattered over the left side of the intestine. Ovary is on the left side of the intestinal loop. Testes numerous on both sides of the loop.

Hermaphroditic; eggs shed and fertilized in the water.


Synonym (s)
Ascidia aculeata Alder, 1863
(Original combination)
Ascidia affinis Hancock, 1870
(Original combination)
Ascidia albida Alder & Hancock, 1848
(Original combination)
Ascidia aspersa Mueller, 1776
(Original combination)
Ascidia cristata Risso, 1826
(Original combination)
Ascidia elliptica Alder & Hancock, 1848
(Original combination)
Ascidia expansa Kiaer, 1893
(Original combination)
Ascidia minuta Kiaer, 1893
(Original combination)
Ascidia normanni Alder & Hancock, 1870
(Original combination)
Ascidia opalina Macgillivray, 1843
(Original combination)
Ascidia patula Mueller, 1776
(Original combination)
Ascidia pedunculata Hoffman, 1829
(Original combination)
Ascidia pellucida Alder & Hancock, 1848
(Original combination)
Ascidia pustulosa Alder, 1863
(Original combination)
Ascidia scabra Mueller, 1776
(Original combination)
Ascidia sordida Alder & Hancock, 1848
(Original combination)
Ascidia triangularis Herdman, 1881
(Original combination)
Ascidia truncata Herdman, 1881
(Original combination)
Ascidiella cristata (Risso, 1826)
(Original combination)
Ascidiella pellucida (Alder & Hancock, 1848)
(Original combination)
Phallusia aspersa (Mueller, 1776)
(Original combination)
Phallusia cristata (Risso, 1826)
(Original combination)
Phallusia patula (Mueller, 1776)
(Original combination)

Common Name (s)
Economic Importance and Threats

Ecology
Prey:  Plankton

Biogeography


• Tamil Nadu, Chennai Coast INDIA

Literature Source(s)
  • Sebastian, VO and Kunian, CV (1981) Classification of Ascidians 1-163 Available at - NIO, Goa
  • Nagabhushanam, AK and Krishnan, S (1993) Observations on the distribution of some of the marine organism inhabiting the inter-tidal zone along the western continental shelf of the Bay of Bengal, with particular reference to the Tamil Nadu coastal strip Records of the Zoological Survey of India 93(3-4) 449-490 Available at - ZSI, Pune
  • Sebastian, VO and Kurian, CV (1981) Indian Ascidians Mohan Primlani, Oxford & IBH Publishing Co., New Delhi 153 pp Available at - NIO, Goa
  • Sealifebase Available at - http://www.sealifebase.org/
  • MarLIN: Marine life information network Biology and sensitivity key information sub-programme [on-line] Available at - http://www.marlin.ac.uk/

Page last updated on:2010-08-19

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