Early stages of sympatric homoploid hybrid speciation in crater lake cichlid fishes

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2022
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Nature Communications ; 13 (2022), 1. - 5893. - Nature Publishing Group. - eISSN 2041-1723
Zusammenfassung
Homoploid hybrid speciation (i.e., hybrid speciation without a change in ploidy) has traditionally been considered to be rare in animals. Only few accepted empirical examples of homoploid hybrid speciation in nature exist, and in only one previous case (insects) was it convincingly shown that this process occurred in complete sympatry. Here, we report an instance of sympatric homoploid hybrid speciation in Midas cichlid fishes in Crater Lake Xiloá, Nicaragua. The hybrid lineage, albeit at an early stage of speciation, has genomically and phenotypically diverged from both of its two parental species. Together with a distinct stable isotope signature this suggests that this hybrid lineages occupies a different trophic niche compared to the other sympatric Midas cichlid species in Crater Lake Xiloá.
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570 Biowissenschaften, Biologie
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ISO 690OLAVE, Melisa, Alexander NATER, Andreas F. KAUTT, Axel MEYER, 2022. Early stages of sympatric homoploid hybrid speciation in crater lake cichlid fishes. In: Nature Communications. Nature Publishing Group. 13(1), 5893. eISSN 2041-1723. Available under: doi: 10.1038/s41467-022-33319-4
BibTex
@article{Olave2022-10-06Early-58838,
  year={2022},
  doi={10.1038/s41467-022-33319-4},
  title={Early stages of sympatric homoploid hybrid speciation in crater lake cichlid fishes},
  number={1},
  volume={13},
  journal={Nature Communications},
  author={Olave, Melisa and Nater, Alexander and Kautt, Andreas F. and Meyer, Axel},
  note={Article Number: 5893}
}
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