Lensia subtilis   (Chun,  1886) (Hydrozoan)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Cnidaria
Class: Hydrozoa
Order:Siphonophorae
Family:Diphyidae

Image copyrights: J. Corbera

Anterior nectophore

Description
Max. size: 1.0 cm H.

The anterior nectophore of the polygastric phase is small, fragile, rounded at the apex and flattened laterally. It does not have any ridges and is up to 10 mm in height. The hydroecium is short and slants outwards. The somatocyst has a long thin stalk terminating in a small ball. The basal lamella is small with two wings and runs obliquely outwards.
Posterior nectophore same length as anterior nectophore with faintly marked ridges. Apically truncate. Hydroecial groove shallow. Mouth plate very small, rounded.

Eudoxid phase - bract 1.25 mm long, rounded with shallow cavity. Phyllocyst short, ovoid or club-shaped. Neck shield short. Gonophores 2.2 mm long. Hydroecial fold at proximal end only. Mouth plate very small. Manubrium yellow in color, female bearing 20-30 ova.


Synonym (s)
Diphyes subtilis Bigelow, 1911
Lensia subtilis Daniel, 1974
Diphyes subtilis Chun, 1886
(Basionym)
Lensia tiwarii Daniel, 1970
Diphyes subtilis Chun, 1886

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Pelagic, Coastal

Biogeography


• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• Lakshadweep (Lat: 9.9) (Long: 75.95) INDIA (Record: 01/1962-12/1963)
• Bay of Bengal INDIA (Record: 1962-1965)
• Arabian Sea (Record: 1962-1965)
• Andaman and Nicobar Islands, Andaman Islands INDIA (Record: 1962-1965)
• INDIA (Record: 1962-1965)
• Lakshadweep (Lat: 8.25) (Long: 73.06) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 16.7) (Long: 72.26) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 20) (Long: 69.45) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 20.93) (Long: 68.83) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 18.5) (Long: 70) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 17) (Long: 71.5) INDIA (Record: 01/1962-12/1963)
• Lakshadweep Sea INDIA
• South West Coast INDIA
• West Coast INDIA

Literature Source(s)
  • Daniel, R (1985) Fauna of India and the adjacent countries (Coelenterata: Hydrozoa: Siphonophora) ZSI 440 pp Available at - NIO, Goa
  • Balasubramanian, T Lagoons of India Environmental Information System Centre, Envis Publication Series: 3/2001 105 pp Available at - http://aucasmbenvis.org/files/04-Publications/lagoon%20status.pdf
  • Conway, DVP; White, RG; Hugues-Dit-Ciles, J; Gallienne, CP and Robins, DB (2003) Guide to the coastal and surface zooplankton of the south western Indian Ocean Occasional publication no 15 Marine Biological Association of the United Kingdom Occasional Publication of the Marine Biological association of the United Kingdom 354 pp Available at - http://www.mba.ac.uk/nmbl/publications/occpub/pdf/occ_pub_15.pdf
  • Hussain, SM Brief report on biodiversity in the coastal areas of Pakistan p 113
  • Daniel, R and Daniel, A (1969) Siphonophora collected during the 35th cruise of the R. V. VITYAZ in the eastern part of the Indian Ocean Symposium on Indian Ocean, Part II 571-574 Available at - Library, CAS, Parangipettai
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Sealifebase Available at - http://www.sealifebase.org/
  • Rengarajan, K (1973) Siphonophores obtained during the cruises of R. V. Varuna from the west coast of India and the Laccadive Sea Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin, India 15(1) 125-129 Available at - http://eprints.cmfri.org.in/1580/1/Rao_125-259.pdf
  • Rengarajan, K (1983) Quantitative and seasonal abundance of siphonophores along the southwest coast of India and the Laccadive sea Journal of marine biological association of India The marine biological association of India 25(1&2) 17-40 Available at - NIO, Goa
  • Rengarajan, K (1975) Distribution of siphonophores along the west coast of India and the Laccadive sea Journal of the marine biological association of India The marine biological association of India 17(1) 56-72 Available at - NIO, Goa

Page last updated on:2011-06-06

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