Reports of morphological differences between European anchovy (Engraulis cf. encrasicolus) from coastal and marine habitats have long existed in the ichthyologic literature and have given rise to a long-standing debate on their taxonomic status. More recently, molecular studies have confirmed the existence of genetic differentiation between the two anchovy ecotypes. Using ancestry-informative markers, we show that coastal anchovies throughout the Mediterranean share a common ancestry and that substantial genetic differentiation persists in different pairs of coastal/marine populations despite the presence of limited gene flow. On the basis of genetic and ecological arguments, we propose that coastal anchovies deserve a species status of their own (E. maeoticus) and argue that a unified taxonomical framework is critical for future research and management.
Bonhomme F., Meyer L., Arbiol C., Banaru D., Bahri-Sfar L., Fadhlaoui-Zid K., et al. (2022). Systematics of European coastal anchovies (genus Engraulis Cuvier). JOURNAL OF FISH BIOLOGY, 100(2), 594-600 [10.1111/jfb.14964].
Systematics of European coastal anchovies (genus Engraulis Cuvier)
Arculeo M.;
2022-02-01
Abstract
Reports of morphological differences between European anchovy (Engraulis cf. encrasicolus) from coastal and marine habitats have long existed in the ichthyologic literature and have given rise to a long-standing debate on their taxonomic status. More recently, molecular studies have confirmed the existence of genetic differentiation between the two anchovy ecotypes. Using ancestry-informative markers, we show that coastal anchovies throughout the Mediterranean share a common ancestry and that substantial genetic differentiation persists in different pairs of coastal/marine populations despite the presence of limited gene flow. On the basis of genetic and ecological arguments, we propose that coastal anchovies deserve a species status of their own (E. maeoticus) and argue that a unified taxonomical framework is critical for future research and management.File | Dimensione | Formato | |
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Journal of Fish Biology - 2021 - Bonhomme - Systematics of European coastal anchovies genus Engraulis Cuvier.pdf
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