Table 1.

Host fishes examined from Scandinavian waters of the North Sea and the Arctic Ocean during this study.

	Sweden	Norway
Species	Skagerrak, Lysekil	Gullmarsfjorden, Kristineberg	Kattegat	Svalbard	Bremanger
Salmo salar					+
Merlangius merlangus	+	+	+
Gadus morhua		+	+	+	+