Recent origin of sub-Antarctic notothenioids

摘要: Comparison of partial mitochondrial 12S and 16S rDNA sequences from non-Antarctic notothenioid fishes – an icefish Champsocephalus esox two members the genus Patagonotothen their sister species Southern Ocean suggests that divergence took place 1.7 6.6–7 million years ago, respectively, i.e. much later than formation Antarctic Polar Front (20–25 ago).