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Feeding habits of the cyprinidGymnocypris firmispinatusin the Anning River, China
Ma, Baoshan1; Xu, Bin1; Wei, Kaijin1; Zhu, Xiangyun1; Xu, Jin1; Lu, Jianchao1,2; Wang, Jun3
Corresponding AuthorWei, Kaijin(weikj@yfi.ac.cn)
2020-09-01
Source PublicationFISHERIES SCIENCE
ISSN0919-9268
Volume86Issue:5Pages:749-758
AbstractThe feeding habits and prey selection ofGymnocypris firmispinatusin the Anning River were investigated with respect to fish size, season and sex. Gut contents of 305 individuals ranging in size from 57 to 193 mm total length were analyzed, and 16.0% of the guts were found to be empty. The vacuity index indicated that the feeding intensity of the fish roughly followed a seasonal trend, with minimum food intake in winter. However, statistically insignificant variation in the vacuity index was observed between size classes and sexes. Overall, 46 prey taxa belonging to five orders (Ephemeroptera, Plecoptera, Trichoptera, Coleoptera and Diptera) were identified in the guts of 141 fish.G. firmispinatusfed almost exclusively on aquatic insects, of whichBaetissp. andSimuliumsp. were the predominant prey species, followed byDiamesasp. andGlossosomasp.G. firmispinatusis a generalist feeder that relies upon a wide trophic spectrum. The multivariate analysis revealed that fish size was the principal factor affecting diet. Small individuals fed primarily on small ephemeropteran larvae and dipteran larvae, whereas larger individuals preferably consumed bigger trichopteran larvae. In terms of its prey,G. firmispinatusshowed strong positive selection for dipteran larvae and trichopteran larvae, and negative selection for ephemeropteran larvae, plecopteran larvae and coleopteran larvae in all seasons. This study provides evidence that the observed diet ofG. firmispinatuscan be explained by prey selection rather than random feeding.
KeywordFeeding habits Diet composition Macroinvertebrates Prey selection Gymnocypris firmispinatus
DOI10.1007/s12562-020-01445-x
Funding OrganizationCentral Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
Indexed BySCI ; SCI
Language英语
Funding ProjectCentral Public-interest Scientific Institution Basal Research Fund ; Chinese Academy of Fishery Sciences[2018JBF14] ; National Natural Science Foundation of China[51809280]
WOS Research AreaFisheries
WOS SubjectFisheries
WOS IDWOS:000561788800001
WOS KeywordONTOGENIC DIETARY SHIFTS ; YARLUNG ZANGBO RIVER ; GYMNOCYPRIS-FIRMISPINATUS ; FISH ; ECOLOGY ; SIZE ; CYPRINIDAE ; SELECTION ; GULF
PublisherSPRINGER JAPAN KK
Funding OrganizationCentral Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Central Public-interest Scientific Institution Basal Research Fund ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; Chinese Academy of Fishery Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/38742
Collection其他_期刊论文
Corresponding AuthorWei, Kaijin
Affiliation1.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Wuhan 430223, Peoples R China
2.Huazhong Agr Univ, Coll Fisheries, Wuhan 430070, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Ma, Baoshan,Xu, Bin,Wei, Kaijin,et al. Feeding habits of the cyprinidGymnocypris firmispinatusin the Anning River, China[J]. FISHERIES SCIENCE,2020,86(5):749-758.
APA Ma, Baoshan.,Xu, Bin.,Wei, Kaijin.,Zhu, Xiangyun.,Xu, Jin.,...&Wang, Jun.(2020).Feeding habits of the cyprinidGymnocypris firmispinatusin the Anning River, China.FISHERIES SCIENCE,86(5),749-758.
MLA Ma, Baoshan,et al."Feeding habits of the cyprinidGymnocypris firmispinatusin the Anning River, China".FISHERIES SCIENCE 86.5(2020):749-758.
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