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The genomic basis of adaptation to the deep water 'twilight zone' in Lake Malawi cichlid fishes
[article]
2017
bioRxiv
pre-print
Deep water environments are characterized by low levels of available light at increasingly narrow spectra, great hydrostatic pressure and reduced dissolved oxygen - conditions predicted to exert highly specific selection pressures. In Lake Malawi over 800 cichlid species have evolved, and this adaptive radiation extends into the 'twilight zone' below 100 metres. We use population-level RAD-seq data to investigate whether four endemic deep water species (Diplotaxodon spp.) have experienced
doi:10.1101/102830
fatcat:3ywwfta2t5dpriuq46irj3gxpe