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王景龙, 陈启豪, 陆文泽, 袁淑琴, 胡清霞, 岑双双, 周传江, 孟晓林, 聂国兴, 顾钱洪. 河南省淮河流域鳑鲏亚科5种鱼形态差异分析[J]. 水生生物学报, 2019, 43(1): 123-132. DOI: 10.7541/2019.16
引用本文: 王景龙, 陈启豪, 陆文泽, 袁淑琴, 胡清霞, 岑双双, 周传江, 孟晓林, 聂国兴, 顾钱洪. 河南省淮河流域鳑鲏亚科5种鱼形态差异分析[J]. 水生生物学报, 2019, 43(1): 123-132. DOI: 10.7541/2019.16
WANG Jing-Long, CHEN Qi-Hao, LU Wen-Ze, YUAN Shu-Qin, HU Qing-Xia, CEN Shuang-Shuang, ZHOU Chuan-Jiang, MENG Xiao-Lin, NIE Guo-Xing, GU Qian-Hong. MORPHOLOGICAL DIFFERENCES AMONG FIVE SPECIES IN RHODEINAE IN HUAIHE RIVER BASIN IN HENAN PROVINCE[J]. ACTA HYDROBIOLOGICA SINICA, 2019, 43(1): 123-132. DOI: 10.7541/2019.16
Citation: WANG Jing-Long, CHEN Qi-Hao, LU Wen-Ze, YUAN Shu-Qin, HU Qing-Xia, CEN Shuang-Shuang, ZHOU Chuan-Jiang, MENG Xiao-Lin, NIE Guo-Xing, GU Qian-Hong. MORPHOLOGICAL DIFFERENCES AMONG FIVE SPECIES IN RHODEINAE IN HUAIHE RIVER BASIN IN HENAN PROVINCE[J]. ACTA HYDROBIOLOGICA SINICA, 2019, 43(1): 123-132. DOI: 10.7541/2019.16

河南省淮河流域鳑鲏亚科5种鱼形态差异分析

MORPHOLOGICAL DIFFERENCES AMONG FIVE SPECIES IN RHODEINAE IN HUAIHE RIVER BASIN IN HENAN PROVINCE

  • 摘要: 为进一步从可量性状比较中华鳑鲏(Rhodeus sinensis)、越南鱊(Acheilongnathus tonkinensis)、大鳍鱊(A. macropterus)、兴凯鱊(A. chankaensis)和斑条鱊(A. taenianalis)的种间形态差异, 丰富鳑鲏亚科鱼类的形态分类特征, 研究采用多变量形态度量学方法对河南省淮河流域这5种鱼的形态进行比较分析。结果表明: 这5种鱼在体宽/体长、头长/体长、吻长/体长、尾柄长/体长、背鳍基底长/体长、腹鳍长/体长、臀鳍长/体长和头长/吻长8个比值性状上存在极显著性差异(P< 0.01), 在全长/体长、体高/体长2个比值性状上存在显著性差异(P<0.05), 这些差异主要集中在鱼体的头部、尾部和鳍等部位。主成分分析、聚类分析和判别分析显示5种鱼存在显著性形态差异, 斑条鱊与越南鱊的差异程度最大, 与大鳍鱊差异程度最小。判别分析获得的判别准确率在82.35%—100.00%变化, 可以从一定的角度区分这5种鱼。

     

    Abstract: Different species of Rhodeinae have been wildly distributed across China. Different species have shown very similar morphological characteristics, making their distinguish to be indeed difficult. In order to compare the morphological differences among Rhodeus sinensis, Acheilongnathus tonkinensis, A. macropterus, A. chankaensis and A. taenianalis by the morphometric characteristics, and enrich the classification features, multivariate morphometrics were used to analyze the morphological variations of five Rhodeinae species in Huaihe River Basin (Henan province, China). The results showed that there were significant differences in the body’s width/body’s length, head’s length/body’s length, snout’s length/body’s length, caudal peduncle’s length/body’s length, dorsal fin base’s length/body’s length, pectoral fin’s length/body’s length, pelvic fin’s length/body’s length, and head’s length/snout’s length among the five species (P<0.01), and there were significant differences in the total length/body’s length and body’s height/body’s length (P<0.05). Therefore, these differences mainly focus on the head, tail, fin, and so on. Principal component analysis, discriminant analysis, and cluster analysis showed that the five species had obvious morphological differences, the most significant difference betweenA. taenianalis and A. tonkinensis was found, and the most insignificant difference was observed between A. taenianalis and A. macropterus. The discriminant accuracy rate of the five species varied from 82.35% to 100%, effectively realizing the distinguish of the five Rhodeinae species.

     

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