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- Title
Demographic histories of two deep-sea eelpouts, Lycodes japonicus and Lycodes ocellatus: paleoenvironmental implications of the western North Pacific deep waters.
- Authors
Sakuma, Kay; Ueda, Yuji; Ito, Masaki; Kojima, Shigeaki
- Abstract
We compared the population histories of two deep-sea eelpouts, Lycodes japonicus and Lycodes ocellatus, to elucidate the impacts of the last glacial period on deep-sea species in the western North Pacific area. The results of phylogenetic analyses based on the nucleotide sequences of the mitochondrial cytochrome c oxidase subunit I and cytochrome b genes revealed that the two species are closely related to each other. The results of mismatch distribution analyses, Bayesian skyline plots, and a Bayes factor test supported a constant population size of L. ocellatus in the western North Pacific during the last glacial period, but suggested a post-glacial population expansion of L. japonicus.
- Subjects
DEEP-sea fishes; LYCODES; PHYLOGENY; NUCLEOTIDE sequence; CYTOCHROME oxidase; MARINE biodiversity
- Publication
Ichthyological Research, 2015, Vol 62, Issue 3, p363
- ISSN
1341-8998
- Publication type
Article
- DOI
10.1007/s10228-014-0441-8