Contributions to Zoology, 69 (1/2) (2000)

Size as indicator of origin of salmon lice Lepeophtheirus salmonis (Copepoda: Caligidae)

J.R. Nordhagen , P.A. Heuch , T.A. Schram

Department of Biology, University of Oslo P.O. Box 1064 Blindern, 0316 Oslo, Norway

Fish Health Section, National Veterinary Institute P.O. Box 8156 Dep., 0033 Oslo, Norway, * Corresponding author

Keywords: Salmon lice, Lepeophtheirus salmonis, , origin, size, phenotypic plasticity