Sulculeolaria biloba   (Sars,  1846) (Hydrozoan)
Organism information awaits expert curation
Class: Hydrozoa

Image copyrights: Fisheries and Oceans Canada - Pacific Region

Polygastric phase: Anterior nectophore: Large 26 mm long; absence of ridges and hydroecium. Somatocyst short, ovoid, with long axis oblique. Dorsal side with a tooth-like projection extending beyond level of ostium. Lateral teeth absent. Mouth plates long, broad, divided without vertical thickend pads. Characteristic pit-like depression at base of somatocyst. Oblique commissural canal exceptionally long joining lateral radial canals at mid-length of nectosac. Reserve bud of both anterior and posterior nectophores present.

Posterior nectophore: 26 mm in length, 6.5 mm in breadth. No dorsal or lateral teeth around ostium. Mouth plate characteristically shaped, consisting of two side pieces distinctly separated in middle by a raised thickened notch.

Stem: Long, bearing numerous cormidia.

Synonym (s)
Diphyes biloba Sars, 1846
Sulculeolaria biloba Daniel, 1974

Common Name (s)
Economic Importance and Threats

Habitat:  Pelagic, Coastal


• Arabian Sea INDIA (Record: 1962-1965)
• Bay of Bengal INDIA (Record: 1962-1965)
• Maharashtra, Mumbai INDIA (Record: 1962-1965)
• Goa INDIA (Record: 1962-1965)
• INDIA (Record: 1962-1965)
• Lakshadweep Sea INDIA
• South 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Sealifebase Available at -
  • Zooplankton taxa Fisheries and oceans Canada Available at -
  • 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

Page last updated on:2011-04-04

Back to Search