Caligus is a genus of sea lice in the family Caligidae. The species are parasites of marine fishes and could be vectors of viruses. The following species are included: \n* Caligus absens Ho, Lin & Chen, 2000 \n* Caligus acanthopagri Lin, Ho & Chen, 1994 \n* Caligus aduncus Shen & Li, 1959 \n* Caligus aesopus C. B. Wilson, 1921 \n* Caligus affinis Heller, 1866 \n* Caligus afurcatus C. B. Wilson, 1913 \n* Caligus alaihi A. G. Lewis, 1968 \n* Caligus alatus Heegaard, 1944 \n* Caligus amblygenitalis Pillai, 1961 \n* Caligus antennatus Boxshall & Gurney, 1980 \n* Caligus antennatus Al Marzouk, 2002 \n* Caligus apodus (Brian, 1924) \n* Caligus arii Bassett-Smith, 1898 \n* Caligus ariicolus C. B. Wilson, 1928 \n* Caligus asperimanus Pearse, 1951 \n* Caligus asymmetricus Kabata, 1965 \n* Caligus atromaculatus C. B