Intraspecific Genetic Admixture and the Morphological Diversification of an Estuarine Fish Population Complex

Abstract

The North-east American Rainbow smelt (Osmerus mordax) is composed of two glacial races first identified through the spatial distribution of two distinct mtDNA lineages. Contemporary breeding populations of smelt in the St. Lawrence estuary comprise contrasting mixtures of both lineages, suggesting that the two races came into secondary contact in this… (More)
DOI: 10.1371/journal.pone.0123172

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