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Laterality is Universal Among Fishes but Increasingly Cryptic Among Derived Groups
http://hdl.handle.net/10110/00018210
http://hdl.handle.net/10110/000182108de63ae4-1d70-4c40-ae70-5636a476ad75
名前 / ファイル | ライセンス | アクション |
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ZoologicalScience_34_267to274_Hori (6.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-02-25 | |||||
タイトル | ||||||
タイトル | Laterality is Universal Among Fishes but Increasingly Cryptic Among Derived Groups | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | morphological asymmetry | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | dimorphism | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | anti-symmetry | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | fish evolution | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | frequency-dependent Selection | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Hori, Michio
× Hori, Michio× Nakajima, Mifuyu× Hata, Hiroki× Yasugi, Masaaki× Takahashi, Satoshi× Nakae, Masanori× Yamaoka, Koasaku× Kohda, Masanori× Kitamura, Jyun-ichi× Maehata, Masayoshi× Tanaka, Hirokazu× Okada, Norihiro× Takeuchi, Yuichi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Laterality has been studied in several vertebrates, mainly in terms of brain lateralization and behavioral laterality, but morphological asymmetry has not been extensively investigated. Asymmetry in fishes was first described in scale-eating cichlids from Lake Tanganyika, in the form of bilateral dimorphism in which some individuals, when opening their mouths, twist them to the right and others to the left. This asymmetry has a genetic basis, and is correlated with lateralized attack behaviors. This has subsequently been found in fishes from numerous taxa with various feeding habits. The generality of such morphological laterality should thus be investigated in as wide a range of fishes as possible. Using specific indicators of lateral differences in mandibles and head inclination, we find that representative species from all 60 orders of extant gnathostome fishes (both bony and cartilaginous) possess morphological laterality. Furthermore, we identify the same laterality in agnathans (hagfish and lamprey), suggesting that this trait appeared early in fish evolution and has been maintained across fish lineages. However, a comparison of asymmetry among groups of bony fishes reveals, unexpectedly, that phylogenetically more recent-groups possess less asymmetry in body structures. The universality of laterality in fishes indicates a monophyletic origin, and may have been present in the ancestors of vertebrates. Ecological factors, predator—prey interactions in particular, may be key drivers in the evolution and maintenance of dimorphism, and may also be responsible for the cryptic trend of asymmetry in derived groups. Because lungfish and coelacanths share this trait, it is likely that tetrapods also inherited it. We believe that study of this morphological laterality will provide insights into the behavioral and sensory lateralization of vertebrates. | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Zoological Science 34(4):267-274. 2017 | |||||
書誌情報 |
Zoological Science 巻 34, 号 4, p. 267-274, 発行日 2017-08 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0289-0003 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 公益社団法人日本動物学会 | |||||
資源タイプ(DSpace) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article |