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Karyotype Analysis of an Endemic Korean Torrent Catfish Liobagrus hyeongsanensis(Siluriformes: Amblycipitidae)  

Cho, Yun Jeong (Department of Biological Sciences and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University)
Park, Jong Young (Department of Biological Sciences and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University)
Publication Information
Korean Journal of Ichthyology / v.29, no.2, 2017 , pp. 89-93 More about this Journal
Abstract
For the karyotype analysis of Liobagrus hyeongsanensis, an endemic Korean torrent catfish, ten females and five males were used from Yangbuk-myeon, Gyeongju-si, Gyeongsangbukdo, Korea. The diploid number of chromosomes was 42, and its karyotype consisted of 30 metacentrics and 12 submetacentrics; 84 FN (fundamental number), with having no polyploidy and sexual dimorphism. The chromosome number was the same as other closely-related species, L. mediadiposalis and L. somjinensis, but their karyotypes showed a clear difference by species. Such result may be related to chromosomal rearrangements by Robertsonian rearrangement with geographical isolation.
Keywords
Liobagrus hyeongsanensis; chromosome; karyotype; Korea;
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Times Cited By KSCI : 2  (Citation Analysis)
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