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Centropages bradyi

Wheeler (1900)

Download a fact sheet for Centropages bradyi (PDF 601KB)


Phylum Arthropoda
Subphylum Crustacea
Class Maxillopoda
Subclass Copepoda
Order Calanoida
Family Centropagidae
Genus Centropages
Species bradyi


  • Female: 1.91 - 2.50 mm
  • Male: 1.90 - 2.40 mm

Distinguishing characteristics

  • Genital somite and P5 form


  • A1 extends beyond caudal rami by 3-4 segments
  • Caudal rami large, symmetrical with epegf like projection between 2 outer terminal setae
  • P5 right; chela projections of almost equal length, the proximal projection gently curved and narrow through length
  • P5 left: exopodal segments 2-3 tapering and with 4 long spines


  • A1 extends beyond caudal rami by 3-4 segments
  • May have a blunt dorsal projection at bottom of cephalosome
  • Body inflated, appears slightly elumpyf, widest at pedigerous somites 1-2
  • Posterior prosome corners rounded
  • Genital somite ventrally inflated but without protrusions
  • Caudal rami large, symmetrical with epegf like projection between 2 outer terminal setae
  • P5 exopodal segment 2 inner edge spine stout and smooth


  • Epi-, meso- and bathypelagic
  • Cosmopolitan
  • Generally found more abundantly in warm (> 25 °C) waters


  • Found further north in Northern Hemisphere during El Niño years, associated with warm water


  • Boxshall, G. A. and S. H. Halsey (2004). "An introduction to copepod diversity." Ray Society Publications 166: i-xv, 1-966.
  • Bradford-Grieve, J. M., (1999) The marine fauna of New Zealand: pelagic calanoid copepoda: Bathypontiidae, Arietellidae, Augaptilidae, Heterorhabdidae, Lucicutiidae, Metridinidae, Phyllopodidae, Centropagidae, Pseudodiaptomidae, Temoridae, Candaciidae, Pontellidae, Sulcanidae, Acartiidae, Tortanidae. National Institute of Water and Atmospheric Research, Wellington, New Zealand.
  • 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.
  • Corral Estrada J., 1970. Contribucion al conocimiento del plancton de Canarias. Estudio cuantitativo, sistematico y observaciones ecologicas de nos Copépodos epipelagicos en la zona de Santa Cruz de Tenerife en el curso de un ciclo anual. Publnes Fac. Cienc. Madrid, Seccion de Biol., (A) 129: 1-280.
  • Keister et al. (2005)
  • Mazzochi (1995)
  • Mori T., (1937) 1964. The pelagic Copepoda from the neighbouring waters of Japan. Second edition edited by S. Shirai., Tokyo: 1-150, pls 1-80.
  • Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2009. Diversity and Geographic Distribution of Marine Planktonic Copepods. Available at