TABLE 2 in Two new species of the armored catfish genus Panaqolus (Siluriformes, Loricariidae) from the Ecuadorian Amazon
收藏资源简介：
TABLE 2. Morphometric data of Panaqolus pantostiktos, expressed as percent of SL or percent of HL. Panaqolus pantostiktosMEPN 19495MEPN 19496MEPN 19496MEPN 19496MEPN 19497CharacterHolotypeParatypeParatypeParatypeParatypeMean %SL (mm)163.4129.4118.269.6157.6Percent of SLHead length34.234.334.938.134.235.2Predorsal length41.842.341.845.141.642.5Postdorsal length32.432.231.929.131.531.4Interdorsal length11.912.011.910.312.011.6Preanal length69.270.970.172.569.870.5Postanal length27.828.428.026.027.927.6Thoracic length26.927.929.630.627.128.4Abdominal length23.524.023.022.124.323.4Dorsal fin base33.632.432.932.833.433.0Dorsal spine length35.238.437.1??36.9Pectoral spine length35.437.636.835.035.836.1Pelvic spine length28.530.328.631.528.129.4Cleithral width33.433.334.336.233.534.1Caudal peduncle depth12.812.712.611.912.912.6Percent of HLHead depth68.666.068.460.765.065.8Snout length67.068.968.062.765.566.4Interorbital width43.742.843.040.243.742.7Orbital diameter17.918.518.419.917.018.3Mandibular ramus length13.011.011.912.013.612.3Dot numbersDots on pectoral fin Left/Right55/6534/3327/258/852/43Dots on pelvic-fin Left/Right59/4026/2326/275/543/39
表2. 斑身巴纳鲶（Panaqolus pantostiktos）的形态测量数据，以标准体长（SL, Standard Length）或头长（HL, Head Length）的百分比形式呈现。 本次研究涉及的标本包括：正模标本MEPN 19495，以及副模标本MEPN 19496（3份）、MEPN 19497（1份）。 ### 1. 标本标准体长（单位：mm） | 标本编号 | MEPN 19495 | MEPN 19496 | MEPN 19496 | MEPN 19496 | MEPN 19497 | | --- | --- | --- | --- | --- | --- | | 标准体长 | 163.4 | 129.4 | 118.2 | 69.6 | 157.6 | ### 2. 基于标准体长百分比的测量指标 | 测量性状 | MEPN 19495（正模） | MEPN 19496（副模1） | MEPN 19496（副模2） | MEPN 19496（副模3） | MEPN 19497（副模4） | 组均值 | | --- | --- | --- | --- | --- | --- | --- | | 头长 | 34.2 | 34.3 | 34.9 | 38.1 | 34.2 | 35.2 | | 背前长 | 41.8 | 42.3 | 41.8 | 45.1 | 41.6 | 42.5 | | 背后长 | 32.4 | 32.2 | 31.9 | 29.1 | 31.5 | 31.4 | | 背鳍间距 | 11.9 | 12.0 | 11.9 | 10.3 | 12.0 | 11.6 | | 肛前长 | 69.2 | 70.9 | 70.1 | 72.5 | 69.8 | 70.5 | | 肛后长 | 27.8 | 28.4 | 28.0 | 26.0 | 27.9 | 27.6 | | 胸部长 | 26.9 | 27.9 | 29.6 | 30.6 | 27.1 | 28.4 | | 腹部长 | 23.5 | 24.0 | 23.0 | 22.1 | 24.3 | 23.4 | | 背鳍基底长 | 33.6 | 32.4 | 32.9 | 32.8 | 33.4 | 33.0 | | 背鳍棘长 | 35.2 | 38.4 | 37.1 | ? | ? | 36.9 | | 胸鳍棘长 | 35.4 | 37.6 | 36.8 | 35.0 | 35.8 | 36.1 | | 腹鳍棘长 | 28.5 | 30.3 | 28.6 | 31.5 | 28.1 | 29.4 | | 匙骨宽 | 33.4 | 33.3 | 34.3 | 36.2 | 33.5 | 34.1 | | 尾柄高 | 12.8 | 12.7 | 12.6 | 11.9 | 12.9 | 12.6 | ### 3. 基于头长百分比的测量指标 | 测量性状 | MEPN 19495（正模） | MEPN 19496（副模1） | MEPN 19496（副模2） | MEPN 19496（副模3） | MEPN 19497（副模4） | 组均值 | | --- | --- | --- | --- | --- | --- | --- | | 头高 | 68.6 | 66.0 | 68.4 | 60.7 | 65.0 | 65.8 | | 吻长 | 67.0 | 68.9 | 68.0 | 62.7 | 65.5 | 66.4 | | 眶间距 | 43.7 | 42.8 | 43.0 | 40.2 | 43.7 | 42.7 | | 眼径 | 17.9 | 18.5 | 18.4 | 19.9 | 17.0 | 18.3 | | 下颌支长 | 13.0 | 11.0 | 11.9 | 12.0 | 13.6 | 12.3 | ### 4. 斑点数量统计 | 统计项目 | MEPN 19495（正模） | MEPN 19496（副模1） | MEPN 19496（副模2） | MEPN 19496（副模3） | MEPN 19497（副模4） | | --- | --- | --- | --- | --- | --- | | 胸鳍斑点数（左/右） | 55/65 | 34/33 | 27/25 | 8/8 | 52/43 | | 腹鳍斑点数（左/右） | 59/40 | 26/23 | 26/27 | 5/5 | 43/39 |
