Comparative analysis of otolith morphology in three species of Scomber
He, Tao1,2,3; Cheng, Jiao4; Qin, Jian-guang3; Li, Yun1,2; Gao, Tian-xiang5
Corresponding AuthorGao, Tian-xiang(
AbstractGeometric morphometrics is a quick and reliable approach to differentiate fish stocks based on the variation of otolith shapes. In this study, morphometric analysis of otolith shapes was used to differentiate three species of Scomber. The sagittae morphology of S. scombrus otolith is totally different from that of S. japonicus and S. australasicus. Multivariate analysis consistently showed that S. japonicus was morphologically similar to S. australasicus, whereas a significant difference in otolith shapes was detected between S. scombrus and other two species of Scomber. The rostrum, antirostrum, excisural notch and dorsal-posterior margin of the otolith reflect the main variations between the three species of Scomber. Shape indices and Fourier coefficients were used to discriminate fish species using analysis of variance and Fisher discriminant analysis. The shape indices successfully differentiated 100%, 95.7% and 96.4% of otoliths in S. japonicus, S. australasicus and S. scombrus, respectively, while the Fourier coefficients only discriminated 70.0%, 61.9% and 91.3% of the sagittae in S. japonicus, S. australasicus and S. scombrus. This study indicates that the shape analysis on the sagittae morphometrics of otoliths is a better method to differentiate species of Scomber.
KeywordScomber Otolith morphology Shape indices Fourier analysis Discrimination function
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[41776171] ; International Science and Technology Cooperation Program of China[2015DFR30450] ; Public Science and Technology Research Funds Projects of Ocean[201505025] ; Chongqing Research Program of Basic Research and Frontier Technology[cstc2016jcyjA0327] ; Genetic Resources Conservation Grant (Fisheries) from the Ministry of Agriculture of the P. R. China[171721301354052181] ; Ecological Fishery Industrial Technology System Project from Chongqing Municipal Agriculture Commission ; China Scholarship Council[201508505111]
WOS Research AreaZoology
WOS SubjectZoology
WOS IDWOS:000427594800002
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorGao, Tian-xiang
Affiliation1.Southwest Univ, Coll Anim Sci & Technol, Chongqing 400715, Peoples R China
2.Key Lab Aquat Sci Chongqing, Key Lab Freshwater Fish Reprod & Dev, Minist Educ, Chongqing 400715, Peoples R China
3.Flinders Univ S Australia, Coll Sci & Engn, Adelaide, SA 5042, Australia
4.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
5.Zhejiang Ocean Univ, Fishery Coll, Zhoushan 316022, Peoples R China
Recommended Citation
GB/T 7714
He, Tao,Cheng, Jiao,Qin, Jian-guang,et al. Comparative analysis of otolith morphology in three species of Scomber[J]. ICHTHYOLOGICAL RESEARCH,2018,65(2):192-201.
APA He, Tao,Cheng, Jiao,Qin, Jian-guang,Li, Yun,&Gao, Tian-xiang.(2018).Comparative analysis of otolith morphology in three species of Scomber.ICHTHYOLOGICAL RESEARCH,65(2),192-201.
MLA He, Tao,et al."Comparative analysis of otolith morphology in three species of Scomber".ICHTHYOLOGICAL RESEARCH 65.2(2018):192-201.
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