Summary
Samples of cod from Balsfjord, a subarctic fjord in North Norway, were collected and the fauna of macro-parasites was classified zoogeographically. The results revealed an impoverished and to a large extent boreal parasite fauna compared with that of cod from the Barents Sea. Because of the last glaciation Balsfjord is a relatively young ecosystem, and the silled entrance surrounded by an archipelago also makes the fjord a rather isolated system. This together with its small size may be important factors in explaining the character of its parasite fauna. The colonization by boreal parasites of both the Barents Sea and Balsfjord probably reflects the direction of the main currents.
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Hemmingsen, W., Lile, N. & Halvorsen, O. The parasite fauna of cod (Gadus morhua L.) in Balsfjord, North Norway. Polar Biol 12, 739–742 (1992). https://doi.org/10.1007/BF00238876
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DOI: https://doi.org/10.1007/BF00238876