Sulculeolaria monoica   (Chun,  1888) (Hydrozoan)
Organism information awaits expert curation
Class: Hydrozoa

Polygastric phase: Anterior nectophore: Upto 14.5 mm in length and 7.5 mm in breadth; large with bulged middle region, blunt apex, devoid of ridges and hydroecium. Ostium surrounded by characteristic number of teeth - 3 dorsal teeth – middle one triangular with pointed tip, two dorso-lateral ones placed close to this median one, larger, triangular but with blunt tips; smaller triangularly shaped lateral teeth. Mouth plates large, divided with two teeth-like processes on proximal inner surfaces. Baso-ventral plane very oblique. Somatocyst very small 0.3 mm long. Commissural canal present.

Posterior nectophore: Up to 15.3 mm in length, 5.3 mm in breadth – cylindrical with broad truncated apex. Ostial teeth similar to anterior nectophore in number, shape and arrangement. Mouth plate long, wide, undivided, with a small notch in distal margin; with two tooth-like processes on inner proximal surface.

Synonym (s)
Epibulia monoica Chun, 1888
Galeolaria monoica Bigelow, 1911
Sulculeolaria monoica Daniel, 1974

Common Name (s)
Economic Importance and Threats

Habitat:  Pelagic, Coastal


• Andaman and Nicobar Islands, Andaman Islands INDIA (Record: 1962-1965)
• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• Bay of Bengal INDIA (Record: 1962-1965)
• Arabian Sea INDIA (Record: 1962-1965)
• Tamil Nadu, Chennai Coast INDIA
• 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
  • 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 -
  • Sealifebase Available at -
  • Dr. Ramesh, R; Dr. Nammalwar, P and Dr. Gowri, VS (2008) Database on coastal information of Tamil Nadu Report Submitted to Environmental Information System (ENVIS) Centre, Department of Environment, Government of Tamil Nadu Institute for Ocean Management, Anna University, Chennai, Tamil Nadu. 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
  • Daniel, R and Daniel, A (1963) On the siphonophores of the Bay of Bengal I.Madras coast2( Journal of the Marine Biological Association of India The marine biological association of India 5(2) 185-220 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
  • Boltovskoy, D (Ed.) Zooplankton of the South Atlantic Ocean Marine Species Identification Portal Available at -

Page last updated on:2011-09-09

Back to Search