大眼华鳊和伍氏华鳊的形态差异及其物种有效性
MORPHOLOGICAL VARIATION BETWEEN SINIBRAMA MACROPS AND S.WUI,WITH NOTES ON THEIR VALIDITIES
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摘要: 分别对大眼华鳊和伍氏华鳊137尾标本7个可数性状和1个可量性状进行主成分分析,以探讨这两个种之间的形态差异及其物种有效性.研究结果显示:无论是在可数性状上还是可量性状上,大眼华鳊和伍氏华鳊之间的形态差异并不显著,而且大眼华鳊大陆的标本和台湾的标本无明显的不同.此表明,大眼华鳊和伍氏华鳊应该为同一个种.根据国际动物命名法规,伍氏华鳊应是大眼华鳊的次定同物异名.Abstract: Principal component analysis(PCA)was performed separately for seven meristic and eighteen morphometric truss-network characters for 137 specimens from two currently recognized species of Sinibram,namely S macrops and S. wui occurring in southern China (including Taiwan Island),for investigating morphological differences between two species. Their species validities were also evaluated. PCA conducted on either meristic or morphometric characters demonstrated that there exist no distinct variations eight between Taiwan and mainland specimens of S. macrops or between this species and S. wui. It suggests that two species are conspecific. According to the International Code of Zoological Nomenclature(ICZN),S. macrops should be a senior synonym of S. wui.
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Keywords:
- Sinibrama macrops /
- S.wui /
- Morphological variations /
- Species validities
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A new genus of Cultrinae from China(Cypriniformes:Cyprinidae)[J]. Acta Hydrobiologica Sinica,1995,19(2):pl 3. [罗云林. 中国NFDA2亚科一新属(鲤形目:鲤科). 水生生物学报,1995,19(2):封3][8] Xie Z G,Xie C X,Zhang E. Sinibrama longianalis,a new cyprinid species(Pisces:Teleostei)from the upper Yangtze River basin in Guizhou,China. Raff. Bull. Zool. 2003(in press).[9] Wu H W. The cyprinid fishes of China,Volume 1. Shanghai:Sciences and technology Press. 1964,63-120. [伍献文. 中国鲤科鱼类志(上卷). 上海:上海科学技术出版社. 1964,63-120][10] Zheng B S. The freshwater fishes of Guangxi,China[M]. Nanning:Guangxi People's Press. 1981,34-55[庄桂香. 鳊亚科. 郑葆珊.广西淡水鱼类志. 南宁:广西人民出版社. 1981,34-55][11] Bookstein F L,Chernoff B,Elder R L,et al. Morphometrics in evolutionary biology[M]. Philadelphia:the academy of Natural Science special Publication 1985.[12] Wu H W. On some fishes collected from upper Yangtze valley[J]. Sinensia,1930,1(6):73[13] Rendahl H. Die fischfauna der chinesichen provinz Szetschwan[J]. Ark. Zool.,1932,24A(16):105.[14] Wu H W. 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Acta Hydrobiologica Sinica,2003,27(2):164-169[杨秀平,张敏英,刘焕章.蛇NFDA2属鱼类形态度量学研究.水生生物学报,2003,27(2):164-169][25] Thorp R S. Multiple group principal component analysis and population differentiation[J],J. Zool. Lond.,1988,216:37-40[26] Airoldi J P,Flury B K. An application of common principal component analysis to cranial morphometry of Microtus californicus and M. ochrogaster(Mammialia,Rodentia)[J]. J. Zool. Lond.;1988,216:21-36
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