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题名: Ontogenetic development in the morphology and behavior of loach (Misgurnus anguillicaudatus) during early life stages
作者: Gao Lei1, 2; Duan Ming1; Cheng Fei1; Xie Songguang1, 3
关键词: behavioral features ; larvae and juveniles ; morphological development ; Misgurnus anguillicaudatus
刊名: CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
发表日期: 2014-09-01
DOI: 10.1007/s00343-014-3302-4
卷: 32, 期:5, 页:973-981
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]: Limnology ; Oceanography
研究领域[WOS]: Marine & Freshwater Biology ; Oceanography
英文摘要: Loach (Misgurnus anguillicaudatus) are a commercially important fish in China and an ideal aquaculture species. However, culturists experience high larval and juvenile mortality during mass production. To provide insight into ways to improve larviculture techniques, we describe the morphological characteristics and behavior of loach during the larval and early juvenile stages. Yolksac larvae ranged from 2.8 to 4.0 mm body length (BL) between days 0 to 4; preflexion larvae ranged from 3.6 to 5.5 mm BL between days 4 to 6; flexion larvae ranged from 4.8 to 8.1 mm BL between days 5 and 14; and postflexion larvae ranged from 7.1 to 15.7 mm BL between days 11 to 27; the minimum length and age of juveniles was 14.1 mm BL and 23 d, respectively. Loach are demersal from hatch through to the early juvenile stages. A suite of morphological characteristics (e.g., external gill filament and ventral mouth opening) and behavioral traits have developed to adapt to demersal living. We observed positive allometric growth in eye diameter, head length, head height, and pectoral fin length during the early larval stages, reflecting the priorities in the development of the organs essential for survival. Our results provide a basis for developing techniques to improve the survival of larval and juvenile loach during mass production.
关键词[WOS]: ALLOMETRIC GROWTH-PATTERNS ; FUNCTIONAL-DEVELOPMENT ; REARING CONDITIONS ; LARVAL DEVELOPMENT ; FISH LARVAE ; SURVIVAL ; FASCIATUS ; JUVENILES ; STURGEON ; GROUPER
语种: 英语
WOS记录号: WOS:000340879900001
ISSN号: 0254-4059
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20309
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Huaian Res Ctr, Key Lab Sustainable Fisheries & Environm Protect, Huaian 223002, Peoples R China
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