Study on terrific adaptive radiation of Baikal sculpins by biodiversity of the breeding ecology, early life history and genes

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Of 33 spp. from 12 gen., three fam. in the Baikal sculpins, 27 species were inferred by analysis of mtDNA and ncDNA sequence data, and each genus showsmonophyletic group and forms a phylogenetic tree of reliable relationship. Furthermore, the deep-water sculpins could be one of ancestors for group distributed around the Arctic Zone, and the process of their adptive radiation was clarified. Larvae of pelagic sculpins had been distributed in layer deeper 100 m offshore and at surface nearshore in Comephorus and Cottocomephorus, respectively. Two genus hardly showed vertical diel migration. Based on their results, sympsium: “Origin, adaptive radiation and speciation of sculpins in Lake Baikal” with 10 papers was convined in September.