Caligus auxisi   Pillai  1963 (Copepod)
Organism information awaits expert curation
Class: Maxillopoda

Image copyrights: Marine Biological Association of India

Size: Length 3.8 mm.

Carapace nearly equal in length and width, postero-median lobe projecting well beyond lateral lobes. Genital segment swollen, inverted U-shaped, with transverse hind border. Abdomen long and slender, 1-segmented. Sterna fork with narrow base and long sub-parallel limbs, with broad wings. Distal exopod segment of leg 1 with 3 very short lower setae. First and second segments of endopod of leg 2 with strong teeth, setae on third segment with basal spines and distal hairs. Leg 4 3-segmented, basal segment longer than rest of the limb, inner border of first and second segment spiny.

This species closely resembles Caligus kuroshio and Caligus indicus but differs in shape of the abdomen and the sterna fork.

Parasitic in the branchial cavity of Auxis thazard (fish).

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Maharashtra, Mumbai (Lat: 18.98) (Long: 72.83) INDIA
• Kerala, Trivandrum (Lat: 8.5) (Long: 76.91) INDIA
• Kerala INDIA (Record: 1965)

Literature Source(s)
  • James, DB (1984) Capture of a false killer whale, Pseudorca crassidens at Port Blair, Andamans Marine Fisheries Information Service. Technical and Extension Series 55 p 17
  • 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:2009-09-10

Back to Search