University of Tasmania, Australia

UTAS Home | UTAS Staff | UTAS Contacts


UTAS Home > IMAS Home > Image Key > Copepoda > Cyclopoida > Corycaeidae >  Ditrichocorycaeus lubbocki

Ditrichocorycaeus lubbocki

Giesbrecht (1891)

Download a fact sheet for Ditrichocorycaeus lubbocki (PDF 323KB)


Phylum Arthropoda
Subphylum Crustacea
Class Maxillopoda
Subclass Copepoda
Order Cyclopoida
Family Corycaeidae
Genus Ditrichocorycaeus
Species lubbocki


  • Female: 0.75-1.03 mm

Distinguishing characters

  • Peg like endopod of P4 with 2 setae and a small posterior projection
  • Proportional length of urosome somites and caudal rami
  • Female with button like projection dorsally on genital somite and no ventral hook
  • Female with longcaudal rami compared to other female Ditrichocorycaeus


  • No description available


  • Prosome 1.7 times long as urosome
  • 3rd pedigerous somite points extend to ½ of genital somite
  • Small, button-like projection on dorsal posterior of genital somite
  • Genital somite without ventral hook
  • Urosome somites and caudal rami in proportional lengths 38:17:47
  • Caudal rami 9 times as long as wide


  • Epipelagic
  • Coastal and oceanic
  • Subtropical and tropical
  • Indian and Pacific oceans


  • Visual predators using raptorial appendages to capture small prey
  • Little is known about the ecology of this species


  • Al-Yamani F.Y. & Prusova I., 2003. Common copepoda of the Northwestern Arabian Gulf: Identification Guide. Kuwait Institute for Scientific Research. pp.1-162.
  • Bradford-Grieve, J. M., E. L. Markhaseva, et al. (1999). Copepoda. South Atlantic Zooplankton. D. Boltovskoy. Leiden, The Netherlands, Backhuys Publishers. 1: 869-1098.
  • Sewell R.B. Seymour, 1933. Notes on a small collection of marine Copepoda from the Malay States. Bull. Raffles Mus., 8: 25-31