Evolutionary history of anglerfishes (Teleostei: Lophiiformes): a mitogenomic perspective |
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| Authors: | Masaki Miya Theodore W Pietsch James W Orr Rachel J Arnold Takashi P Satoh Andrew M Shedlock Hsuan-Ching Ho Mitsuomi Shimazaki Mamoru Yabe Mutsumi Nishida |
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| Institution: | (1) Natural History Museum and Institute, Chiba, 955-2 Aoba-cho, Chuo-ku Chiba, 260-8682, Japan;(2) School of Aquatic and Fishery Sciences, College of Ocean and Fishery Sciences, University of Washington, Campus Box 355020, 98195-5020 Seattle, WA, USA;(3) National Marine Fisheries Service, Alaska Fisheries Science Center, 7600 Sand Point Way NE, 98115 Seattle, WA, USA;(4) Collection Center, National Museum of Nature and Science, 3-23-1 Hyakunincho, 169-0073 Shinjuku-ku, Tokyo, Japan;(5) Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Harvard University, 26 Oxford Street, 02138 Cambridge, MA, USA;(6) Institute of Marine Biology, National Taiwan Ocean University, 2 Peining Road, 202 Keelung, Taiwan, USA;(7) Laboratory of Marine Biodiversity, Graduate School of Fisheries Sciences, Hokkaido University, 3-1-1 Minato-cho, 041-8611 Hokkaido, MA, Japan;(8) Ocean Research Institute, The University of Tokyo, 1-15-1 Minamidai, 164-8689 Nakano-ku, Tokyo, Japan |
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| Abstract: | Background The teleost order Lophiiformes, commonly known as the anglerfishes, contains a diverse array of marine fishes, ranging from
benthic shallow-water dwellers to highly modified deep-sea midwater species. They comprise 321 living species placed in 68
genera, 18 families and 5 suborders, but approximately half of the species diversity is occupied by deep-sea ceratioids distributed
among 11 families. The evolutionary origins of such remarkable habitat and species diversity, however, remain elusive because
of the lack of fresh material for a majority of the deep-sea ceratioids and incompleteness of the fossil record across all
of the Lophiiformes. To obtain a comprehensive picture of the phylogeny and evolutionary history of the anglerfishes, we assembled
whole mitochondrial genome (mitogenome) sequences from 39 lophiiforms (33 newly determined during this study) representing
all five suborders and 17 of the 18 families. Sequences of 77 higher teleosts including the 39 lophiiform sequences were unambiguously
aligned and subjected to phylogenetic analysis and divergence time estimation. |
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