Caligus sp. (fish louse) a caligoid copepod

caligusLocation: Georgetown, SC  

Notes: This is the ventral view showing the prominent suckers and paired egg sacs at the posterior end. Caligoid copepods are ectoparasitic on fishes. Consult Zooplankton of the Atlantic and Gulf Coasts p.182-183 for notes on biology and ecology. Compare to Argulus.

Upper specimen Collected by: W. S. Johnson, Goucher College Lower specimen collected by Paul Kenny in North Inlet, SC.

Below: Dorsal view of a living specimen showing pigment spots that may fade upon preservation. This specimen is likely a different species. Caligus dorsal