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Differences in body proportions between hatchery-reared- and wild Pacific herring, Clupea pallasii (Actinopterygii: Clupeiformes: Clupeidae)

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/74031

Title: Differences in body proportions between hatchery-reared- and wild Pacific herring, Clupea pallasii (Actinopterygii: Clupeiformes: Clupeidae)
Authors: Nakaya, Mitsuhiro Browse this author →KAKEN DB
Fukunaga, Kyohei Browse this author
Suzuki, Shigenori Browse this author →KAKEN DB
Keywords: body proportions
hatchery-reared
Pacific herring
number of vertebrae
Issue Date: 2013
Publisher: the Societas Scientiarum Stetinensis (Scientific Society of Szczecin)
Journal Title: Acta ichthyologica et piscatoria : an international journal for ichthyology and fisheries
Volume: 43
Issue: 1
Start Page: 75
End Page: 77
Publisher DOI: 10.3750/AIP2013.43.1.11
Abstract: The body proportions of 0-group Pacific herring, Clupea pallasii, were compared between hatchery-reared- and wild fish and significant differences were observed. There were fewer vertebrae (Mean ± SD) in hatchery-reared- (52.5 ± 2.15) than in wild fish (53.7 ± 0.92). For both the hatchery-reared- and the wild individuals, the correlations between number of vertebrae and vertebral column length (VCL) per standard length (SL) were positive. Head length (HL) was approximated as SL minus VCL. Therefore, the proportion of HL in relation to SL became lower with the higher number of vertebrae. Their vertebral number may relate to the difference of body proportions between hatchery-reared- and wild fish.
Type: article
URI: http://hdl.handle.net/2115/74031
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 中屋 光裕

 

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