This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
North American parasitic copepods belonging to the family Caligidae Pl. XXIII . NATIONAL MUSEUM PROCEEDINGS VOL XXVIII PL XXIII Lepeophtheirus parviventris and Lepeophtheirus bifurcatus For explanation of plate see pages Pl XXIII Illustration biodiversitylibrary org title United States National Museum Wilson Charles