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Contemporary Problems of Ecology

2018 year, number 3

Post-Glacial Colonization of the North European Seas by Pacific Fishes and Lamprey

A. A. MAKHROV1,2, D. L. LAYUS3
1A. N. Severtsov Institute of Ecology and Evolution, 119071, Moscow, Lenin ave., 33
2Institute of Biophysics of Federal Research Center, 660036, Krasnoyarsk, Akademgorodok, 50/50
3St. Petersburg State University, 199178, St. Petersburg, 16th line of Vasilyev Island, 29
Keywords: Северный Ледовитый океан, зоогеография, филогеография, рыбы, миноги, эволюция, иммобилизация, Arctic Ocean, zoogeography, phylogeography, fish, lamprey, evolution, immobilization

Abstract

The critical analysis of literature data on the distribution, morphology and phylogeography of the Pacific lamprey ( Lethenteron camtschaticum ) and five species of marine and anadromous fish such as navaga ( Eleginus nаvaga ), pollock ( Theragra chalcogramma ), Asian smelt ( Osmerus mordax dentex ), Pacific herring ( Clupea pallasii ), and pond smelt ( Hypomesus olidus ) has been performed. The results show that all these species colonized the North European seas, distributing along the Arctic coastline of Eurasia after the glacier retreat. The reasons which may impede the dispersal of these species in the Atlantic Ocean, such as preference for a cold environment, presence of competitors and decrease of the evolutionary potential, are discussed.