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题名: Morphological variations and species validity of Pareuchiloglanis sinensis and P-anteanalis in southwestern of China
作者: Yao Jing-Long ; Chen Yi-Feng (Chenyf@ihb.ac.cn) ; Li Kun ; Yan Yun-Zhi
通讯作者: Chen Yi-Feng ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Zootaxonomica Sinica
发表日期: 2006
卷: 31, 期:1, 页:41230
收录类别: 其他
英文摘要: The authors attempt to examine the species validity of the P. sinensis and P. anteanalis. The paper presents some important statistic evidences for the diagnostic characteristics on these two species. The P. sinensis differs from the P. anteanalis in having a shorter length of F-J ( from the origin of anal fin to the caudal fin base; Fig. 1) which is shorter than the distance of D-F ( from that origin above to the origin of pelvic fin), namely 32.67 mm +/- 4.73 mm< 36.40 mm +/- 4.76 mm as against 43.73 mm +/- 7.16 mm > 32.40 +/- 6.53 mm; a higher caudal depth which exceeds the distance between anterior nostril and front of eye, i.e. 9.62 +/- 1.43 > 8.60 +/- 1.31 as against 6.22 mm +/- 1.29 mm < 8.87 mm +/- 1.58 mm; and a smaller length of I-K (from the terminal of adpose fin base to the dorsal origin of caudal fin; Fig. 1) which is obviously less than the length of caudal depth, z. e. 4.68 mm +/- 1.63 mm< 9.61 mm +/- 1.43 mm as against 11.10 mm +/- 4.77 mm < 6.22 mm +/- 1.29 mm. Acording to the principal component analysis (PCA) as well as the t-test of the differences, the results show that our views which the P. sinensis and P. anteanalis should be considered as the separate species, coincide with the authors of the original literatures (Hora et silas, 1951; Fang et al., 1984). We think that the morphological differences on these two species are related to their swimming behavior, and also is a result caused by the long-term acclimation in different mini-habitats.
ISSN号: 1000-0739
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18397
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Yao Jing-Long; Chen Yi-Feng (Chenyf@ihb.ac.cn) ; Li Kun; Yan Yun-Zhi.Morphological variations and species validity of Pareuchiloglanis sinensis and P-anteanalis in southwestern of China,Acta Zootaxonomica Sinica,2006,31(1):41230
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