Cymbasoma tropica   (Wolfenden,  1906) (Copepod)
Organism information awaits expert curation
Class: Maxillopoda

Size: Female :TL. 1.80-2.18 mm; Male: TL. 1.22-1.44 mm.

Female body narrow, anterior border of cephalosome rounded and a pair of minute hairs present in between antennules; cephalosome inflated just behind frontal margin, about one and a half times combined lengths of metasome and urosome ; urosome two-segmented, genital segment longer than broad, pear-shaped; broader at base; a pair of ovigerous spines present on ventral side which is about three and a half times length of urosome ; second urosome segment broader distally; caudal rami longer than broad, each with three sub-equal setae ; mouth placed near anterior region of cephalosome ; a pair of well developed and deeply pigmented eyes present.
Male smaller in size than female; cephalosome comparatively short; anterior margin rounded and bears a pair of minute hairs as in female posterio-lateral comers slightly bulged ; cephalosome occupies nearly 46% of body length urosome three-segmented, short, about one sixth total length ; genital segment oval in shape, broader than long; on its ventral side it is provided with a median genital appendage which bifurcates into two more or less cylindrical processes second urosome segment broader than long;
third urosome segment broader distally ; caudal rami longer, each ramus bears four sub-equal setae, of which inner most seta arises from a low rounded swelling on distal margin.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Coastal


• Maharashtra, Off Mumbai INDIA (Record: 12/01/1971, 26/03/1971)

Literature Source(s)
  • Martin Thompson, PK and Easterson, DCV. (1978) Two rare monstrilloid copepods from the coastal waters of Bombay Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin, India 20 (1 & 2) 176-180 Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

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