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Reproductive biology of thin sharpbelly, Toxabramis swinhonis Gunther, 1873 in a shallow lake (Biandantang Lake) along the middle reach of the Yangtze River basin (China): implications for fisheries management
Dong, Xianghong1,2,3,4; Grenouillet, Gael3,5; Ju, Tao6; Xiang, Tao1,2; Mai, Zhan1; Laffaille, Pascal4; Lek, Sovan3; Liu, Jiashou1
Corresponding AuthorLiu, Jiashou(jsliu@ihb.ac.cn)
2019-04-30
Source PublicationANNALES DE LIMNOLOGIE-INTERNATIONAL JOURNAL OF LIMNOLOGY
ISSN0003-4088
Volume55Pages:9
AbstractThe reproductive biology of Toxabramis swinhonis, one of the most abundant bycatch species in freshwater fishery in China, was first reported based on 783 specimens collected in Biandantang Lake, central China from October 2016 to September 2017. The overall sex ratio (female/male) was 1.03:1, not significantly different from the expected value 1:1. Nevertheless, sex ratio varied with seasons: 1.32:1 in the early stage of the spawning season (March-April), while 0.46:1 in the later stage (July-August). The monthly succession of the average gonadosomatic index (GSI) and percentages of mature individuals coindicated that T. swinhonis was a spring-summer (March-August) spawner. Further, the bimodal distribution of the size of eggs from one gravid ovary and histological analysis of mature gonads suggested that T. swinhonis was a multiple spawner with indeterminate fecundity and high degree of spawning asynchronicity. The sizes and ages at first maturity for females and males were 84.47 and 81.86 mm, and 1.62 and 1.56 yr, respectively. The batch fecundity (F-B) of this species varied in a wide range from 2006 to 73592 eggs per fish with a mean value of 26487.15 +/- 2675.61 (S.E.) eggs and increased with the increasing of the gonad weight (W-G), eviscerated weight (W-E), total length (L-T) and age (A). Overall, T. swinhonis in Biandantang (BDT) Lake is characterized by high fecundity and prolonged spawning season, resulting in easy population explosion. Thus, to remove T. swinhonis moderately or release predator fish discreetly to control its population is proposed considering its reproductive characteristics.
KeywordFisheries management reproductive biology Biandantang Lake Toxabramis swinhonis Yangtze River basin
DOI10.1051/limn/2019007
Funding OrganizationNational Science and Technology Supporting Program of China ; Earmarked Fund for China Agriculture Research System ; State Key Laboratory of Freshwater Ecology and Biotechnology ; China Scholarship Council (CSC) ; National Science and Technology Supporting Program of China ; Earmarked Fund for China Agriculture Research System ; State Key Laboratory of Freshwater Ecology and Biotechnology ; China Scholarship Council (CSC)
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Science and Technology Supporting Program of China[2012BAD25B08] ; Earmarked Fund for China Agriculture Research System[CARS-45] ; State Key Laboratory of Freshwater Ecology and Biotechnology[2014FBZ04] ; China Scholarship Council (CSC)
WOS Research AreaMarine & Freshwater Biology
WOS SubjectLimnology
WOS IDWOS:000467140900001
WOS KeywordSIZE DIMORPHISM ; GROWTH ; FREQUENCY ; MATURITY ; ECOLOGY ; AGE
PublisherEDP SCIENCES S A
Funding OrganizationNational Science and Technology Supporting Program of China ; Earmarked Fund for China Agriculture Research System ; State Key Laboratory of Freshwater Ecology and Biotechnology ; China Scholarship Council (CSC) ; National Science and Technology Supporting Program of China ; Earmarked Fund for China Agriculture Research System ; State Key Laboratory of Freshwater Ecology and Biotechnology ; China Scholarship Council (CSC)
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27596
Corresponding AuthorLiu, Jiashou
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Univ Toulouse, CNRS, EDB, ENFA,UPS, Toulouse, France
4.Univ Toulouse, CNRS, UPS, INPT,Ecolab, Toulouse, France
5.Inst Univ France, Paris, France
6.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Minist Agr China, Key Lab Freshwater Biodivers Conservat, Wuhan, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Dong, Xianghong,Grenouillet, Gael,Ju, Tao,et al. Reproductive biology of thin sharpbelly, Toxabramis swinhonis Gunther, 1873 in a shallow lake (Biandantang Lake) along the middle reach of the Yangtze River basin (China): implications for fisheries management[J]. ANNALES DE LIMNOLOGIE-INTERNATIONAL JOURNAL OF LIMNOLOGY,2019,55:9.
APA Dong, Xianghong.,Grenouillet, Gael.,Ju, Tao.,Xiang, Tao.,Mai, Zhan.,...&Liu, Jiashou.(2019).Reproductive biology of thin sharpbelly, Toxabramis swinhonis Gunther, 1873 in a shallow lake (Biandantang Lake) along the middle reach of the Yangtze River basin (China): implications for fisheries management.ANNALES DE LIMNOLOGIE-INTERNATIONAL JOURNAL OF LIMNOLOGY,55,9.
MLA Dong, Xianghong,et al."Reproductive biology of thin sharpbelly, Toxabramis swinhonis Gunther, 1873 in a shallow lake (Biandantang Lake) along the middle reach of the Yangtze River basin (China): implications for fisheries management".ANNALES DE LIMNOLOGIE-INTERNATIONAL JOURNAL OF LIMNOLOGY 55(2019):9.
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