Porpita porpita   (Linnaeus,  1758) (Hydrozoan)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Cnidaria
Class: Hydrozoa
Order:Anthoathecata
Family:Porpitidae

Description
Pneumatophore transparent, flat and disc-like, consisting of 30 concentric rings and 50-60 radial canals; tentacles situated on the ventral surface of disk, each tentacle with three longitudinal rows of stalked nematocyst clusters; primary gastrozooid situated in the center of the ventral surface of the disk, with many small gastrozooids surrounding it, while there are many small wartlike projections on the dorsal surface of the disk.


Synonym (s)
Porpita pacifica Lesson, 1826

Common Name (s)
• Blue Button (English)
Economic Importance and Threats

Ecology
Habitat:  Pelagic, Coastal

Biogeography


• Orissa, Bahuda Estuary (Lat: 19.17) (Long: 84.33) INDIA
• West Bengal, Digha Coast (Lat: 21.61) (Long: 87.53) INDIA
• Tamil Nadu, Chennai Coast INDIA
• Andaman and Nicobar Islands, Andaman Islands INDIA
• West Bengal, Medinipur INDIA

Literature Source(s)
  • 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
  • Mishra, S and Panigrahy, RC (1999) Zooplankton ecology of the Bahuda estuary(Orissa), east coast of India Indian Journal of Marine Sciences CSIR, New Delhi 28 297-301 Available at - NIO, RC Kochi
  • 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
  • Fernando, AS and Fernando, OJ (2002) A field guide to the common invertebrates of the east coast of India Centre of Advanced Study in Marine Biology 1-258 Available at - NIO, RC Kochi
  • 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
  • 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
  • Zhong, Z (1989) Marine planktology Springer-Verlag Berlin Heidelberg New York Tokyo 454 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
  • Raghunathan, C (2008) Studies on oceanic zooplankton in the continental slope of Andaman waters of Bay of Bengal Nature Environment and Pollution Technology Technoscience Publications 7(4) 615-626 Available at - http://www.neptjournal.com/newsl-contact.php?id=10&q_id=9
  • 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
  • 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

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