Louse of fish
The louse of the fish , or louse of sea , is a parasitic present in practically all the seas of the sphere and on practically all the fish species.
Vernacular name gathers several species of small Copépode S sailors. Most known are Lepeophtheirus salmonis and Caligus clemensi parasitizing (in particular) all the Saumon S and Truite S “of sea”, Oncorhynchus for the first, Salmo for the second.