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Rhincalanus nasutus

Giesbrecht (1888)

Download a fact sheet for Rhincalanus nasutus (PDF 342KB)


Phylum Arthropoda
Subphylum Crustacea
Class Maxillopoda
Subclass Copepoda
Order Calanoida
Family Rhincalanidae
Genus Rhincalanus
Species nasutus


  • Female: 3.90-5.30 mm
  • Male: 2.70-4.30 mm

Distinguishing characteristics

  • Conical forehead
  • Rostral filaments not visible dorsally


  • 5th leg strongly curved end bristle on the right side
  • Small pair of spines on dorsal surface of genital section


  • A1 1.5 x length of body
  • P5 with 1 seta on 2nd segment and 3 on the 3rd
  • Small pair of spines on dorsal surface of genital somite




  • Bradford-Grieve, J. M., E. L. Markhaseva, et al. (1999). Copepoda. South Atlantic Zooplankton. D. Boltovskoy. Leiden, The Netherlands, Backhuys Publishers. 1: 869-1098.
  • Conway DVP, White, R.G., Hugues-Dit-Ciles, J., Gallienne, C.P. and Robins, D.B. (2003). Guide to the coastal and surface zooplankton of the south-western Indian Ocean, Vol Occasional Publications No. 15. Marine Biological Association of the United Kingdom.
  • Dakin, W. J. & Colefax, A. N. (1940). The plankton of the Australian coastal waters off New South Wales, Volume 1, Australasian Medical Publishing Company, Limited.