TABLE 3 in A new species of Yunnanilus (Cypriniformes: Nemacheilidae) from upper Pearl River, Yunnan, China
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TABLE 3. Comparison of morphological characteristics and mean ± standard deviation (Mean± SD) among the Yunnanilus CharacterYunnanilus yangi sp. nov.Yunnanilus paludosusYunnanilus parvusYunnanilus macrogasterYunnanilus macrolepisNo.of specimens18652Original descriptionLocationPearl River (Nanpan Jiang)Pearl River (Nanpan Jiang)Pearl River (Nanpan Jiang)Pearl River (Nanpan Jiang)Pearl River (Nanpan Jiang)Dorsal-fin raysiii,8iv,8 1/2iv,8 1/2iv,8 1/2iii,7-8Anal-fin raysii,5iii,5 1/2iii,5 1/2iii,5 1/2ii,5Pectoral-fin raysi,11i,10-12i,11-12i,12-13i,9-10Pelvic-fin raysi,6-7i,7-8i,8i,8i,6Body scalesScalelessScalelessScaleScaleScaleEye diameterSmaller than interorbital widthSmaller than interorbital widthSmaller than interorbital widthSmaller than interorbital widthSmaller than interorbital widthUpper lipIncisionWithout incisionWithout incisionWithout incisionWithout incisionLower lipIncisionIncisionIncisionIncisionIncisionUpper jawWithout processus dentiformisProcessus dentiformisProcessus dentiformisProcessus dentiformisProcessus dentiformisLower jawSmoothSmoothSmoothIncisionIncisionTotal length (mm)65.33±5.065.50±8.7238.23±4.2479.22±0.33Standard body length (mm)52.64±4.256.20±7.9030.73±3.6869.23±0.29Body depth10.18±1.319.74±1.706.40±0.9214.41±0.33Predorsal length27.32±2.3035.41±4.6416.09±2.1740.23±0.59Preanal length41.08±3.3352.17±6.2824.29±3.6254.02±0.17Preanus length39.53±3.0350.11±6.0623.40±3.2251.19±0.28Head length10.39±1.0311.18±1.046.85±0.8013.49±0.64Pectoral fin length9.16±0.959.77±1.106.54±0.9810.39±0.79Dorsal-fin length12.87±1.0312.38±2.238.12±0.9110.38±0.62Pelvic-fin length8.05±0.768.08±0.895.19±0.688.01±0.49Anal-fin length8.54±0.678.78±1.355.28±0.669.48±0.88Caudal peduncle length (CPL)7.74±1.089.64±1.314.02±0.568.60±0.62Caudal peduncle depth (CPD)4.35±0.444.88±0.783.15±0.546.82±0.57Head depth7.41±0.706.78±0.774.52±0.428.95±0.55Head width6.08±0.654.80±0.863.50±0.287.73±0.19Snout length4.59±0.355.20±0.792.73±0.516.51±0.45Eye diameter2.45±0.342.01±0.181.65±0.291.84±0.51Interorbital width2.76±0.302.51±0.412.00±0.264.34±0.64 ......Continued on the next page
表3 云南鳅属(Yunnanilus)各物种形态学特征及均值±标准差(Mean±SD)对比 性状 杨氏云南鳅新种(Yunnanilus yangi sp. nov.) 沼泽云南鳅(Yunnanilus paludosus) 小云南鳅(Yunnanilus parvus) 大腹云南鳅(Yunnanilus macrogaster) 大鳞云南鳅(Yunnanilus macrolepis) 标本数 18 6 5 2 采集地 珠江(南盘江) 珠江(南盘江) 珠江(南盘江) 珠江(南盘江) 珠江(南盘江) 背鳍鳍条 Ⅲ,8 Ⅳ,8½ Ⅳ,8½ Ⅳ,8½ Ⅲ,7-8 臀鳍鳍条 Ⅱ,5 Ⅲ,5½ Ⅲ,5½ Ⅲ,5½ Ⅱ,5 胸鳍鳍条 Ⅰ,11 Ⅰ,10-12 Ⅰ,11-12 Ⅰ,12-13 Ⅰ,9-10 腹鳍鳍条 Ⅰ,6-7 Ⅰ,7-8 Ⅰ,8 Ⅰ,8 Ⅰ,6 体鳞 无鳞 无鳞 有鳞 有鳞 有鳞 眼径 小于眼间距 小于眼间距 小于眼间距 小于眼间距 小于眼间距 上唇 具缺刻 无缺刻 无缺刻 无缺刻 无缺刻 下唇 具缺刻 具缺刻 具缺刻 具缺刻 具缺刻 上颌 无上颌齿突(processus dentiformis) 具上颌齿突 具上颌齿突 具上颌齿突 具上颌齿突 下颌 光滑无缺刻 光滑无缺刻 光滑无缺刻 具缺刻 具缺刻 总长度(mm) 65.33±5.0 65.50±8.7 38.23±4.2 79.22±0.3 标准体长(mm) 52.64±4.2 56.20±7.9 30.73±3.6 69.23±0.2 体高 10.18±1.3 9.74±1.7 6.40±0.9 14.41±0.3 背前距 27.32±2.3 35.41±4.6 16.09±2.1 40.23±0.5 臀前距 41.08±3.3 52.17±6.2 24.29±3.6 54.02±0.1 肛前距 39.53±3.0 50.11±6.0 23.40±3.2 51.19±0.2 头长 10.39±1.0 11.18±1.0 6.85±0.8 13.49±0.6 胸鳍长 9.16±0.9 9.77±1.1 6.54±0.9 10.39±0.7 背鳍长 12.87±1.0 12.38±2.2 8.12±0.9 10.38±0.6 腹鳍长 8.05±0.7 8.08±0.8 5.19±0.6 8.01±0.4 臀鳍长 8.54±0.6 8.78±1.3 5.28±0.6 9.48±0.8 尾柄长(CPL) 7.74±1.0 9.64±1.3 4.02±0.5 8.60±0.6 尾柄高(CPD) 4.35±0.4 4.88±0.7 3.15±0.5 6.82±0.5 头高 7.41±0.7 6.78±0.7 4.52±0.4 8.95±0.5 头宽 6.08±0.6 4.80±0.8 3.50±0.2 7.73±0.1 吻长 4.59±0.3 5.20±0.7 2.73±0.5 6.51±0.4 眼径 2.45±0.3 2.01±0.1 1.65±0.2 1.84±0.5 眼间距 2.76±0.3 2.51±0.4 2.00±0.2 4.34±0.6 ……续下页



