Caligus annularis   Yamaguti  1954 (Copepod)
Organism information awaits expert curation
Class: Maxillopoda

Image copyrights: Marine Biological Association of India

Size: Length 2.3 mm

Carapace nearly circular, with projecting frontal plates, lunules large and circular, postero-median lobe projecting well beyond lateral lobes. Genital segment roughly triangular with rounded corners. Abdomen 1-segmented. Antenna 2 with large basal process. Maxilla 1 strong and falcate. Sternal fork with bracket-shaped limbs. Distal segment of leg 1 without ventral setae. Second segment of endopod of leg 2 with rows of teeth. Leg 4 3-segmented.

Parasitic on the gills of fishes (Otolithus maculates, Otolithus species and Caranx species).

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Kerala INDIA (Record: 1965)

Literature Source(s)
  • Pillai, NK (1967) Copepods parasitic on Indian marine fishes - A review Proceedings of the symposium on Crustacea Marine Biological Association of India Part V 1556-1680 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -

Page last updated on:2009-09-11

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