Table 1 in Re-description of the loach species Leptobotia citrauratea (Teleostei, Botiidae), with the description of L. brachycephala from southern Zhejiang Province, China
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Table 1. Morphometric measurements for three species of Leptobotia: L. citrauratea, L. elongata and L. brachycephala. L. citraurateaL. elongataL. brachycephala sp. nov.Dongting Lake (n = 17)Poyang Lake (n = 12)Chang-Jiang (n = 22)HolotypeParatypes (n = 21)Range Mean ± SDRange Mean ± SDRange Mean ± SDRangeMean ± SDSL (mm)47.0-65.352.9 ± 4.233.3-42.737.5 ± 2.697.8-272.0180.2 ± 52.163.943.7-66.856.1 ± 5.7Morphometric data% of SLBody depth14.8-18.816.7 ± 1.415.7-19.217.2 ± 1.017.3-23.720.0 ± 1.712.911.1-15.812.8 ± 1.1Body width at dorsal origin8.7-12.510.5 ± 1.19.7-12.411.4 ± 0.88.3-14.911.4 ± 1.57.66.3-9.78.3 ± 0.9Head length22.5-25.624.2 ± 0.823.8-26.825.4 ± 0.824.4-31.427.8 ± 1.819.918.4-22.820.6 ± 1.1Dorsal-fin length14.9-18.016.9 ± 0.913.7-16.814.9 ± 1.016.3-22.018.7 ± 1.610.69.0-11.610.3 ± 0.7Pectoral-fin length14.8-21.117.0 ± 2.013.8-17.515.6 ± 1.014.4-18.216.8 ± 0.912.89.6-14.211.9 ± 1.1Pelvic-fin length12.7-16.913.7 ± 1.112.1-14.313.3 ± 0.613.3-16.314.9 ± 0.710.29.1-12.610.6 ± 0.9Anal-fin length14.7-17.716.3 ± 0.813.0-15.914.2 ± 0.915.8-20.218.0 ± 1.29.38.1-11.410.0 ± 0.8Upper caudal-lobe length23.6-26.925.5 ± 0.923.6-26.725.1 ± 1.023.1-30.025.9 ± 2.118.415.2-20.817.9 ± 1.5Median caudal-ray length11.5-13.712.4 ± 0.613.2-15.014.2 ± 0.59.6-13.110.7 ± 1.013.011.5-15.013.0 ± 0.9Caudal-peduncle length12.1-15.813.9 ± 0.912.5-14.213.3 ± 0.513.8-17.115.5 ± 0.917.314.6-20.017.7 ± 1.6Caudal-peduncle depth10.4-12.911.6 ± 0.711.3-13.512.3 ± 0.710.9-13.812.1 ± 0.711.510.3-14.411.7 ± 1.1Caudal-peduncle width2.1-3.92.9 ± 0.73.2-4.23.7 ± 0.32.6-4.83.6 ± 0.62.81.7-4.33.1 ± 0.8Predorsal length51.4-56.354.0 ± 1.252.8-55.353.9 ± 0.754.5-58.856.5 ± 1.251.749.9-54.752.7 ± 1.6Prepectoral length21.7-26.823.7 ± 1.123.4-25.524.5 ± 0.625.1-31.628.3 ± 1.819.718.9-23.420.5 ± 1.1Prepelvic length53.2-59.056.5 ± 1.752.3-56.054.4 ± 1.256.0-61.557.8 ± 1.649.247.9-53.150.9 ± 1.5Preanal length76.7-81.479.0 ± 1.375.0-81.378.1 ± 1.675.9-79.877.4 ± 1.174.670.2-76.973.8 ± 1.6Vent to anal distance6.8-10.38.9 ± 0.96.7-8.37.5 ± 0.66.1-10.18.4 ± 1.110.47.4-10.79.3 ± 0.9Pelvic to anal distance19.9-25.722.9 ± 1.820.2-23.621.4 ± 1.116.5-23.019.3 ± 1.524.420.3-24.622.0 ± 1.3% of HLHead depth at nape56.4-63.159.3 ± 1.655.0-62.858.8 ± 2.053.6-64.257.4 ± 2.851.849.0-56.852.8 ± 2.6Head depth at eye42.3-48.445.8 ± 2.143.6-49.747.0 ± 1.840.5-48.543.7 ± 2.138.637.7-45.841.8 ± 2.7Snout length35.4-43.939.6 ± 2.335.1-42.538.4 ± 2.035.7-42.638.4 ± 2.136.235.6-41.838.2 ± 2.3Postorbital head length48.5-54.851.6-2.050.8-55.252.5 ± 1.654.5-61.957.8 ± 1.955.252.4-60.056.2-2.6Eye diameter9.2-12.110.3 ± 1.09.3-10.810.0 ± 0.54.2-8.46.0 ± 1.111.49.1-12.210.4 ± 0.9Interorbital width14.5-22.817.3 ± 2.416.1-19.617.7 ± 1.112.3-17.714.8 ± 1.517.211.7-17.815.1 ± 2.1
表1 三种薄鳅属(Leptobotia)鱼类的形态测量数据:黄鳍薄鳅(L. citrauratea)、长薄鳅(L. elongata)及短头薄鳅新种(L. brachycephala sp. nov.)。 样本分组如下:黄鳍薄鳅采自洞庭湖(样本量n=17),长薄鳅采自鄱阳湖(样本量n=12),短头薄鳅新种的样本分别采自长江(样本量n=22),以及包含1份正模标本和21份副模标本的系列标本。 测量指标首先包含以毫米(mm)为单位的标准长(SL, Standard Length):黄鳍薄鳅的标准长范围为47.0~65.3mm,平均值±标准差为52.9±4.2;长薄鳅为33.3~42.7mm,37.5±2.6;短头薄鳅新种长江样本为97.8~272.0mm,180.2±52.1;短头薄鳅新种正模标本为63.9mm;短头薄鳅新种副模标本(n=21)为43.7~66.8mm,56.1±5.7。 后续多数形态指标以占标准长的百分比表示: 1. 体高:黄鳍薄鳅14.8%~18.8%,16.7±1.4;长薄鳅15.7%~19.2%,17.2±1.0;短头薄鳅新种长江样本17.3%~23.7%,20.0±1.7;短头薄鳅新种正模标本12.9%;短头薄鳅新种副模标本11.1%~15.8%,12.8±1.1。 2. 背鳍起点处体宽:黄鳍薄鳅8.7%~12.5%,10.5±1.1;长薄鳅9.7%~12.4%,11.4±0.8;短头薄鳅新种长江样本8.3%~14.9%,11.4±1.5;短头薄鳅新种正模标本7.6%;短头薄鳅新种副模标本6.3%~9.7%,8.3±0.9。 3. 头长:黄鳍薄鳅22.5%~25.6%,24.2±0.8;长薄鳅23.8%~26.8%,25.4±0.8;短头薄鳅新种长江样本24.4%~31.4%,27.8±1.8;短头薄鳅新种正模标本19.9%;短头薄鳅新种副模标本18.4%~22.8%,20.6±1.1。 4. 背鳍长:黄鳍薄鳅14.9%~18.0%,16.9±0.9;长薄鳅13.7%~16.8%,14.9±1.0;短头薄鳅新种长江样本16.3%~22.0%,18.7±1.6;短头薄鳅新种正模标本10.6%;短头薄鳅新种副模标本9.0%~11.6%,10.3±0.7。 5. 胸鳍长:黄鳍薄鳅14.8%~21.1%,17.0±2.0;长薄鳅13.8%~17.5%,15.6±1.0;短头薄鳅新种长江样本14.4%~18.2%,16.8±0.9;短头薄鳅新种正模标本12.8%;短头薄鳅新种副模标本9.6%~14.2%,11.9±1.1。 6. 腹鳍长:黄鳍薄鳅12.7%~16.9%,13.7±1.1;长薄鳅12.1%~14.3%,13.3±0.6;短头薄鳅新种长江样本13.3%~16.3%,14.9±0.7;短头薄鳅新种正模标本10.2%;短头薄鳅新种副模标本9.1%~12.6%,10.6±0.9。 7. 臀鳍长:黄鳍薄鳅14.7%~17.7%,16.3±0.8;长薄鳅13.0%~15.9%,14.2±0.9;短头薄鳅新种长江样本15.8%~20.2%,18.0±1.2;短头薄鳅新种正模标本9.3%;短头薄鳅新种副模标本8.1%~11.4%,10.0±0.8。 8. 尾上叶长:黄鳍薄鳅23.6%~26.9%,25.5±0.9;长薄鳅23.6%~26.7%,25.1±1.0;短头薄鳅新种长江样本23.1%~30.0%,25.9±2.1;短头薄鳅新种正模标本18.4%;短头薄鳅新种副模标本15.2%~20.8%,17.9±1.5。 9. 中央尾鳍条长:黄鳍薄鳅11.5%~13.7%,12.4±0.6;长薄鳅13.2%~15.0%,14.2±0.5;短头薄鳅新种长江样本9.6%~13.1%,10.7±1.0;短头薄鳅新种正模标本13.0%;短头薄鳅新种副模标本11.5%~15.0%,13.0±0.9。 10. 尾柄长:黄鳍薄鳅12.1%~15.8%,13.9±0.9;长薄鳅12.5%~14.2%,13.3±0.5;短头薄鳅新种长江样本13.8%~17.1%,15.5±0.9;短头薄鳅新种正模标本17.3%;短头薄鳅新种副模标本14.6%~20.0%,17.7±1.6。 11. 尾柄高:黄鳍薄鳅10.4%~12.9%,11.6±0.7;长薄鳅11.3%~13.5%,12.3±0.7;短头薄鳅新种长江样本10.9%~13.8%,12.1±0.7;短头薄鳅新种正模标本11.5%;短头薄鳅新种副模标本10.3%~14.4%,11.7±1.1。 12. 尾柄宽:黄鳍薄鳅2.1%~3.9%,2.9±0.7;长薄鳅3.2%~4.2%,3.7±0.3;短头薄鳅新种长江样本2.6%~4.8%,3.6±0.6;短头薄鳅新种正模标本2.8%;短头薄鳅新种副模标本1.7%~4.3%,3.1±0.8。 13. 背前距:黄鳍薄鳅51.4%~56.3%,54.0±1.2;长薄鳅52.8%~55.3%,53.9±0.7;短头薄鳅新种长江样本54.5%~58.8%,56.5±1.2;短头薄鳅新种正模标本51.7%;短头薄鳅新种副模标本49.9%~54.7%,52.7±1.6。 14. 胸前距:黄鳍薄鳅21.7%~26.8%,23.7±1.1;长薄鳅23.4%~25.5%,24.5±0.6;短头薄鳅新种长江样本25.1%~31.6%,28.3±1.8;短头薄鳅新种正模标本19.7%;短头薄鳅新种副模标本18.9%~23.4%,20.5±1.1。 15. 腹前距:黄鳍薄鳅53.2%~59.0%,56.5±1.7;长薄鳅52.3%~56.0%,54.4±1.2;短头薄鳅新种长江样本56.0%~61.5%,57.8±1.6;短头薄鳅新种正模标本49.2%;短头薄鳅新种副模标本47.9%~53.1%,50.9±1.5。 16. 臀前距:黄鳍薄鳅76.7%~81.4%,79.0±1.3;长薄鳅75.0%~81.3%,78.1±1.6;短头薄鳅新种长江样本75.9%~79.8%,77.4±1.1;短头薄鳅新种正模标本74.6%;短头薄鳅新种副模标本70.2%~76.9%,73.8±1.6。 17. 泄殖孔至臀鳍起点距离:黄鳍薄鳅6.8%~10.3%,8.9±0.9;长薄鳅6.7%~8.3%,7.5±0.6;短头薄鳅新种长江样本6.1%~10.1%,8.4±1.1;短头薄鳅新种正模标本10.4%;短头薄鳅新种副模标本7.4%~10.7%,9.3±0.9。 18. 腹鳍起点至臀鳍起点距离:黄鳍薄鳅19.9%~25.7%,22.9±1.8;长薄鳅20.2%~23.6%,21.4±1.1;短头薄鳅新种长江样本16.5%~23.0%,19.3±1.5;短头薄鳅新种正模标本24.4%;短头薄鳅新种副模标本20.3%~24.6%,22.0±1.3。 另有部分形态指标以占头长(HL, Head Length)的百分比表示: 1. 项部头高:黄鳍薄鳅56.4%~63.1%,59.3±1.6;长薄鳅55.0%~62.8%,58.8±2.0;短头薄鳅新种长江样本53.6%~64.2%,57.4±2.8;短头薄鳅新种正模标本51.8%;短头薄鳅新种副模标本49.0%~56.8%,52.8±2.6。 2. 眼水平位置头高:黄鳍薄鳅42.3%~48.4%,45.8±2.1;长薄鳅43.6%~49.7%,47.0±1.8;短头薄鳅新种长江样本40.5%~48.5%,43.7±2.1;短头薄鳅新种正模标本38.6%;短头薄鳅新种副模标本37.7%~45.8%,41.8±2.7。 3. 吻长:黄鳍薄鳅35.4%~43.9%,39.6±2.3;长薄鳅35.1%~42.5%,38.4±2.0;短头薄鳅新种长江样本35.7%~42.6%,38.4±2.1;短头薄鳅新种正模标本36.2%;短头薄鳅新种副模标本35.6%~41.8%,38.2±2.3。 4. 眼后头长:黄鳍薄鳅48.5%~54.8%,51.6±2.0(原文原录入为51.6-2.0,推测为笔误修正为标准差形式);长薄鳅50.8%~55.2%,52.5±1.6;短头薄鳅新种长江样本54.5%~61.9%,57.8±1.9;短头薄鳅新种正模标本55.2%;短头薄鳅新种副模标本52.4%~60.0%,56.2±2.6(原文原录入为56.2-2.6,同理修正)。 5. 眼径:黄鳍薄鳅9.2%~12.1%,10.3±1.0;长薄鳅9.3%~10.8%,10.0±0.5;短头薄鳅新种长江样本4.2%~8.4%,6.0±1.1;短头薄鳅新种正模标本11.4%;短头薄鳅新种副模标本9.1%~12.2%,10.4±0.9。 6. 眶间距:黄鳍薄鳅14.5%~22.8%,17.3±2.4;长薄鳅16.1%~19.6%,17.7±1.1;短头薄鳅新种长江样本12.3%~17.7%,14.8±1.5;短头薄鳅新种正模标本17.2%;短头薄鳅新种副模标本11.7%~17.8%,15.1±2.1。



