Heterochondria similis   (Yu & Wu,  1932) (Copepod)
Organism information awaits expert curation
Class: Maxillopoda

Image copyrights: Taylor and Francis

A) Dorsal habitus of adult female; B) Lateral habitus of adult male

Size: Female 4.98-6.89 mm; male 642 ┬Ám.

Female: Body elongated, with pinball-shaped trunk. Head longer than wide, 1.20 X 1.09 mm (not including inflated antennule), with lateral protrusion in front and large, swollen, oral region in rear. Neck region (first pediger) not marked off from trunk. Trunk region posterior to second pediger enlarged laterally (1.87mm) and becoming wider than head. Both genital double somite and abdomen distinctly wider than long. Caudal ramus a spiniform, pointed process bearing three setae. Egg sac about as long as body.

Antennule fleshy, sausage-shaped, and tipped with seven setae. Labrum with smooth posterior margin. Terminal blade of mandible with a row of 45 teeth on convex (inner) side and a row of 15 teeth on concave (outer) side. Paragnath a small, spinulose lobe. Maxillule tipped with two setae. Second segment of maxilla bearing in basal region a small, simple seta and one large seta with hyaline tip, and a row of about 20 teeth on terminal process. Maxilliped three-segmented; first segment largest but unarmed; second segment with a large, basal swelling and a spinulose distal lobe; and third segment a short, stout claw.

Male: Body with swollen cephalosome and cylindrical metasome and urosome. Antennule reduced to a simple seta. Antenna and mouth parts present.

Parasitic on the gill filaments of Crossorhombus azureus (fish).

Synonym (s)
Chondracanthus similis Yu & Wu, 1932

Common Name (s)
Economic Importance and Threats



• Kerala INDIA (Record: 11/03/1994, 29/04/1994, 20/07/1994)

Literature Source(s)
  • Ho, JS; Kim, IH and Kumar, AB (2000) Chondracanthid copepods parasitic on flatfishes of Kerala, India Journal Of Natural History Taylor and Francis 34(5) 709-735 Available at - http://dx.doi.org/10.1080/002229300299372
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org

Page last updated on:2010-07-08

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