期刊
JOURNAL OF FISH BIOLOGY
卷 99, 期 2, 页码 644-655出版社
WILEY
DOI: 10.1111/jfb.14753
关键词
genetic structuring; hermaphroditism; Kryptolebias hermaphroditus; mangrove rivulus; Rivulidae
资金
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (BR) [313644/2018-7]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico [233161/2014-7]
- National Geographic Society [W461-16, EC-44874R-18]
Mangrove killifishes of the genus Kryptolebias, historically classified as rare due to their small size and cryptic nature, are found to be ubiquitously distributed across western Atlantic mangroves. The study reveals substantial genetic differences between clades, as well as further genetic structuring within clades in different regions, shedding light on the taxonomic status and distribution patterns of these self-fertilizing killifishes in the western Atlantic mangroves.
Mangrove killifishes of the genus Kryptolebias have been historically classified as rare because of their small size and cryptic nature. Major gaps in distribution knowledge across mangrove areas, particularly in South America, challenge the understanding of the taxonomic status, biogeographical patterns and genetic structuring of the lineages composing the self-fertilizing Kryptolebias marmoratus species complex. In this study, the authors combined a literature survey, fieldwork and molecular data to fill major gaps of information about the distribution of mangrove killifishes across western Atlantic mangroves. They found that selfing mangrove killifishes are ubiquitously distributed across the Caribbean, Central and South American mangroves and report 14 new locations in South America, extending the range of both the Central clade and Southern clade lineages which overlap in the Amazon. Although substantial genetic differences were found between clades, the authors also found further genetic structuring within clades, with populations in Central America, north and northeast Brazil generally showing higher levels of genetic diversity compared to the clonal ones in southeast Brazil. The authors discuss the taxonomic status and update the geographical distribution of the Central and Southern clades, as well as potential dispersal routes and biogeographical barriers influencing the distribution of the selfing mangrove killifishes in the western Atlantic mangroves.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据