Diphyes bojani   (Eschscholtz,  1829) (Hydrozoan)
Organism information awaits expert curation
Class: Hydrozoa

Image copyrights: J. Corbera

Anterior nectophore

Size: Height 10 mm; width 3 mm.

The anterior nectophore of the polygastric phase has five long ridges, which are serrated, to varying degrees. There are 3 ostial teeth of approximately the same length. The nectosac reaches nearly to the top of the nectophore. The hydroecium is very deep, generally reaching almost half way up the nectophore. The somatocyst is sausage shaped, tapering towards its apex and reaches almost to the end of the nectosac.

Posterior nectophore: Up to 10 mm in length, slender with basal half of ridges serrated. Characteristic median tooth-like crest present on dorsal side of mouth-plate. Ostial teeth and hydroecial tube present.

Eudoxid phase: Total length about 6-7 mm. Bract 3 mm in length, 1.8 mm in breadth, shield-like in shape, thin, leaf-like with thickened mid region; with two teeth on serrated margin of bract. Bract attached parallel to long axis of special nectophore. Phyllocyst knob-like or with slight prolongation at one end, lying in mid region of bract.

Special nectophore: 4.9 mm long; with 4 well serrated, flared out twisted ridges.

Gonophores: Reduced, small sac-like without medusoid umbrella, of one sex in each eudoxid.

Synonym (s)
Diphyes bojani Bigelow, 1911
Diphyes bojani Daniel, 1974
Eudoxia bojani Eschscholtz, 1825
Diphyes bojani (Eschscholtz, 1829)
(Senior synonym)

Common Name (s)
Economic Importance and Threats

Habitat:  Pelagic, Coastal


• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• West Bengal, Digha Coast (Lat: 21.61) (Long: 87.53) INDIA
• Tamil Nadu, Kanniyakumari INDIA (Record: 1962-1965)
• Andaman and Nicobar Islands, Andaman Islands INDIA (Record: 1962-1965)
• Tamil Nadu, Chennai Coast INDIA
• East Coast INDIA (Record: 1962-1965)
• Tamil Nadu, Porto Novo INDIA
• Westcoast (Lat: 11.13) (Long: 75.38) INDIA (Record: 01/1962-12/1963)
• Lakshadweep (Lat: 9.2) (Long: 75.9) INDIA (Record: 01/1962-12/1963)
• Lakshadweep (Lat: 8.25) (Long: 73.06) INDIA (Record: 01/1962-12/1963)
• Lakshadweep (Lat: 8.28) (Long: 72.95) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 11.31) (Long: 75.01) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 11.15) (Long: 75.05) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 11) (Long: 75.2) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 15.28) (Long: 73.18) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 15.25) (Long: 73.16) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 15.86) (Long: 72.78) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 16.7) (Long: 72.26) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 16.7) (Long: 71.96) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 17.4) (Long: 71.3) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 18.05) (Long: 72.61) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 18.05) (Long: 72.1) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 18.7) (Long: 70.1) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 20.48) (Long: 70.06) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 18.5) (Long: 72.25) INDIA (Record: 01/1962-12/1963)
• Westcoast (Lat: 18.5) (Long: 70.75) INDIA (Record: 01/1962-12/1963)
• Lakshadweep (Lat: 10.83) (Long: 74.85) INDIA (Record: 16/11/1963)
• Lakshadweep (Lat: 9.88) (Long: 75.88) INDIA (Record: 18/11/1963)
• Lakshadweep (Lat: 10.95) (Long: 75.11) INDIA (Record: 16/11/1963)
• Lakshadweep (Lat: 16.16) (Long: 72.75) INDIA (Record: 07/12/1963)
• Westcoast (Lat: 15.61) (Long: 71.45) INDIA (Record: 08/12/1963)
• Westcoast (Lat: 14.58) (Long: 73.5) INDIA (Record: 11/12/1963)
• Westcoast (Lat: 14.45) (Long: 73) INDIA (Record: 11/12/1963)
• Lakshadweep Sea INDIA
• South West Coast INDIA
• West Coast INDIA
• Lakshadweep Sea INDIA
• Bay of Bengal INDIA
• West Bengal, Medinipur INDIA

Literature Source(s)
  • Daniel, R (1985) Fauna of India and the adjacent countries (Coelenterata: Hydrozoa: Siphonophora) ZSI 440 pp Available at - NIO, Goa
  • Zoological Survey of India (Eds) (1991) Animal resources of India (Protozoa to Mammalia) ZSI 1-694 Available at - NCL, Pune
  • 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
  • (2001) Invertebrate zoology collections Available at - http://goode.si.edu/mcs/iz/Query.php
  • Ramakrishna; Sarkar, J and Talukdar, S (2003) Marine invertebrates of Digha coast and some recomendations on their conservation Records of the Zoological Survey of India ZSI, Kolkata 101(3-4) 1 Available at - NCL, Pune
  • 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
  • Goswami, BCB (1992) Marine fauna of Digha coast of West Bengal, India Journal of Marine Biological Association of India The Marine Biological Association of India, Cochin 34 115-137 Available at - NIO, RC Kochi
  • 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/
  • 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 - http://tnenvis.nic.in/PDF/coastal%20data.pdf
  • Krishnamurthy, K (1965) Seasonal variation in the plankton of Porto Novo waters (India) Hydrobiologia Springer 29(1-2) 226-238 Available at - http://www.springerlink.com/content/n81g3x442qg28ljn/fulltext.pdf
  • 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
  • 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
  • Jitlang, I; Pattarajinda, S; Mishra, R and Wongrat, L (2007) Composition, Abundance and Distribution of Zooplankton in the Bay of Bengal The Ecosystem-Based Fishery Management in the Bay of Bengal 65-92 Available at - http://map.seafdec.org/downloads/BIMSTEC/010-Zooplankton-Issaporn.pdf
  • Mitra, S (2010) Cnidarian fauna in Wetlands of West Bengal Journal of Environment and Sociobiology Social Environmental and Biological Association, Kolkata, India 7(2) 133-139 Available at - NIO,Goa

Page last updated on:2011-10-19

Back to Search