Lumpfish (Cyclopterus lumpus)
We have checked four fish collected in 1903, 1912, and 1983, respectively, and found G. cyclopteri on three of them. The parasite occurs on fish from the Oslofjord as well as from Troms (Northern Norway).
G. cyclopteri from C. lumpus (J4258, fish collection NHM Oslo) collected 03.04.1903 at Onsø, Oslofjord. Photo: Eve Zeyl. Click for larger image