Scolecithrix danae   (Lubbock,  1856) (Copepod)
Organism information awaits expert curation
Class: Maxillopoda

Image copyrights: Sergio Hernandez Trujillo, Instituto Politecnico Nacional-cicimar

Size: Length 1.80-2.40 mm (female), 1.92-2.25 mm (male).

Female: Prosome has a very characteristic shape, being very broad at the midpoint. The anterior metasome segment is produced into points which extend close to the urosome, reaching half way down the genital segment. Urosome of 4 segments. The genital segment has a downward pointing projection when viewed from the side. Setae on the swimming legs and furca are typically very feathery. The setae on the furca are of similar length.
Male: Similar to female but posterior metasome segment not produced. Urosome 5-segmented. Right foot uniramous with 2-segmented exopodite with a short terminal segment; left foot biramous, the exopodite with 3 segments, the simple endopodite with 1 segment.

Synonym (s)
Scolecithrix danae A. Scott, 1909
Scolecithrix danae Wolfenden, 1911
Scolecithrix danae Sewell, 1912
Scolecithrix danae T. Scott, 1912
Scolecithrix danae Sewell, 1914
Scolecithrix danae Brady, 1915
Scolecithrix danae Sars, 1925
Scolecithrix danae Farran, 1929
Euchirella tumida Brady, 1918
Undina danae Lubbock, 1856

Common Name (s)
Economic Importance and Threats

Habitat:  Pelagic
Predator:  Bony fishes (Triphoturus nigrescens, Trachurus murphyi, Benthosema suborbitale, Ceratoscopelus warmingii, Diaphus schmidti, Argyropelecus sladeni, Sternoptyx diaphana, Sternoptyx pseudobscura)


• Kerala, Off Trivandrum Coast INDIA (Record: 1966)
• Kerala, Trivandrum (Lat: 8.48) (Long: 76.92) INDIA
• MYANMAR (Record: 1910-1925)
• Bay of Bengal INDIA (Record: 1910-1925)
• SRI LANKA (Record: 1903, 1914)
• MALDIVES (Record: 1906)
• Lakshadweep INDIA (Record: 1906)
• Arabian Sea (Record: 1904)
• Gulf of Aden (Record: 1904)
• Andaman and Nicobar Islands, Nicobar, Nankauri Harbour INDIA (Record: 1910-1925)
• INDIA (Record: 23/04/1924)
• Arabian Sea INDIA
• Arabian Sea (Lat: 16) (Long: 62) INDIA (Record: 12/09/1991-23/09/1991) (Depth: 200-500 mts)
• Arabian Sea (Lat: 23) (Long: 73) INDIA (Record: 12/09/1991-23/09/1991) (Depth: 200-500 mts)
• South East Coast INDIA
• West Coast (Lat: 15) (Long: 69) INDIA (Record: 12/09/1986-26/09/1986)
• West Coast (Lat: 19) (Long: 73) INDIA (Record: 12/09/1986-26/09/1986)
• Andhra Pradesh, Lawsons Bay INDIA
• Tamil Nadu, Muttukadu (Lat: 12.78) (Long: 80.25) INDIA (Record: 02/2004-06/2006)

Literature Source(s)
  • Gopalakrishnan, TC (1984) Studies on Scolecithricidae (Copepoda: Calanoida) of the Indian Ocean. 1. Taxonomic features, ecology and distribution of Scolecithrix danae (Lubbok) Mahasagar 17(1) 63-68
  • 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 -
  • Madhupratap, M and Haridas, P (1986) Epipelagic calanoid copepods of the Northern Indian Ocean Copepod 105-117 Available at - NIO, RC Kochi
  • Saraswathy, M (1966) Pelagic Copepods from the inshore waters Off Trivandrum Coast Proceedings of Symposium on Crustacea Marine Biological Association of India, Mandapam Camp Part-I 74-106 Available at - NIO, Goa
  • Sazhinar, LI (2006) Breeding, Growth Rates, and Production of Marine Copepods Hyderguda Universities Press, Hyderabad 1-147 Available at - NIO, RC Kochi
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Sealifebase Available at -
  • Sewell, RBS (1999) The copepoda of Indian seas Biotech Books, Delhi, India 407 pp Available at - NIO, Goa
  • Fernandes, V (2008) The effect of semi-permanent eddies on the distribution of mesozooplankton in the central Bay of Bengal Journal of Marine Research Sears Foundation for Marine Research 66 465–488 Available at - NIO,Goa
  • Padmavati, G; Haridas, P; Nair, KKC; Gopalakrishnan, TC; Shiney, P and Madhupratap, M (1998) Vertical distribution of mesozooplankton in the central and eastern Arabian Sea during the winter monsoons Journal of Plankton Research Cambridge University Press 20 343-354 Available at -
  • Goswami, SC and Srivastava, Y (1996) Zooplankton standing stock, community structure and diversity in the northern Arabian Sea Proceedings of the Second Workshop on Scientific Results of FORV Sagar Sampada Department of Ocean Development, New Delhi, India 127-137p Available at -
  • Gopalakrishnan, TC and Devi, KS (1998) Distribution of scolecithricidae (Copepoda: Calanoida) in the Indian Ocean Pelagic Biogeography ICoPB II. Proceedings of the 2nd International Conference. Final report of SCOR/IOC working group 93 Intergovernmental Oceanographic Commission 127-136p Available at -
  • Madhupratap, M; Nair, SRS; Haridas, P and Padmavati, G (1990) Response of zooplankton to physical changes in the environment: coastal upwelling along central west coast of India Journal of coastal research Coastal Education and Reserch Foundation 6 413-426 Available at -
  • Ganapati, PN and Shanthakumari, K (1961) The systematics and distribution of planktonic copepods in the Lawson's bay, Waltair Journal of the marine biological association of India The marine biological association of India 3(1&2) 6-18 Available at - NIO, Goa
  • The barcode of life data systems Biodiversity Institute of Ontario Available at -
  • Chitra, J and Ramanibai, R (2008) Studies on Copepod fauna and its abundance in Muttukadu backwater, Tamil Nadu, India Journal of Environment and Sociobiology Social Environmental and Biological Association, Kolkata, India 5(2) 243-250 Available at - NIO, Goa

Page last updated on:2011-10-17

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