Ecological character displacement among Nothobranchius annual killifishes in Tanzania
David O Alila,
Hanna ten Brink,
Marcel Haesler
et al.
Abstract:Divergent ecological character displacement (ECD) is the competition-driven divergence in resource use-related phenotypic traits between coexisting species. It is considered one of the primary drivers of ecological diversification and adaptive radiation. We analyzed phenotypic and ecological variation in two African annual killifish species of the genus Nothobranchius; N. eggersi and N. melanospilus in sympatry and N. melanospilus in allopatry. Our aim was to test if allopatric and sympatric populations of N. … Show more
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