Lensia ajax   Totton,  1941 (Hydrozoan)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Cnidaria
Class: Hydrozoa
Order:Siphonophorae
Family:Diphyidae

Description
Polygastric phase: Anterior nectophore: Upto 13 mm in length 6.6 mm in breadth; with 5 groups of 3 (sometimes 2 or 4) longitudinal ridges, without velar ridge. All ridges terminate well above level of ostium. Lateral groups consisting of 4 ridges, only 2 or 3 reaching apex. Ventral groups about 3 or 4 ridges, some vestigeal, some reaching the apex and two reaching edges of mouth plates. Dorsal group with 3 ridges, middle one reaching apex.

Nectosac bulged in mid region, narrower near ostium. Hydroecium 1.4 mm in depth, lying below level of ostium, open on ventral side. Somatocyst 2.73 mm long, club shaped with one or two oil globules and short stalk. Mouth plates large broad, and overlapping.


Synonym (s)
Lensia ajax Daniel, 1974
Lensia ajax Totton, 1941

Common Name (s)
Economic Importance and Threats

Ecology
Habitat:  Pelagic

Biogeography


• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• Arabian Sea (Record: 1962-1965)

Literature Source(s)
  • Daniel, R (1985) Fauna of India and the adjacent countries (Coelenterata: Hydrozoa: Siphonophora) ZSI 440 pp Available at - NIO, Goa
  • 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/
  • Boltovskoy, D (Ed.) Zooplankton of the South Atlantic Ocean Marine Species Identification Portal Available at - http://species-identification.org/species.php?species_group=Zsao&menuentry=inleiding

Page last updated on:2011-09-08

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