Table 3 in Microlepidogaster dimorpha, a new species of Hypoptopomatinae (Siluriformes: Loricariidae) from the upper rio Paraná system
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Table 3. Morphometric data for Microlepidogaster perforatus (MNRJ 31886, MZUSP 10216, 10217; n = 5). SD = Standard deviation. CharacterMinimumMaximumMeanSDStandard length (mm)29.9332.76--Percents of Standard lengthPredorsal length45.547.846.71.0Preanal length54.858.457.21.4Prepectoral length25.527.526.50.8Prepelvic length35.236.635.90.6Postanal length35.539.537.11.6Thoracic length13.615.514.40.8Abdominal length19.323.220.81.6Caudal-peduncle depth7.78.58.10.3Head lenght33.234.734.10.6Head width21.023.222.40.9Head depth13.914.414.20.2Base of dorsal-fin length11.212.611.60.5Folded dorsal-fin length21.022.822.10.7Pectoral-fin unbranched ray length19.520.720.10.4Pelvic-fin unbranched ray length15.019.116.61.7Snout-opercle length24.126.525.70.9Dorsal to anal-fin length16.718.817.50.8Percents of Head lengthHead width60.668.065.63.0Head depth40.742.341.60.7Snout length47.551.949.21.9Orbital diameter11.113.512.61.0Interorbital length36.741.239.31.9Barbel length6.08.77.11.1Prenasal length32.235.333.61.4Internasal length10.012.711.61.0Nostril width11.212.411.90.62Suborbital depth20.421.721.00.5
表3 穿孔小鳞甲鲶（Microlepidogaster perforatus）的形态测量数据（标本馆藏号：MNRJ 31886、MZUSP 10216、MZUSP 10217；样本量n=5）。SD为标准差（Standard deviation）。 ### 直接测量性状 | 性状 | 最小值 | 最大值 | 平均值 | 标准差 | |---------------------|--------|--------|--------|--------| | 标准体长（mm） | 29.93 | 32.76 | -- | -- | | 头长 | 33.2 | 34.7 | 34.1 | 0.6 | | 头宽 | 21.0 | 23.2 | 22.4 | 0.9 | | 头高 | 13.9 | 14.4 | 14.2 | 0.2 | | 背鳍基长 | 11.2 | 12.6 | 11.6 | 0.5 | | 折叠背鳍长 | 21.0 | 22.8 | 22.1 | 0.7 | | 胸鳍不分支鳍条长 | 19.5 | 20.7 | 20.1 | 0.4 | | 腹鳍不分支鳍条长 | 15.0 | 19.1 | 16.6 | 1.7 | | 吻至鳃盖骨长 | 24.1 | 26.5 | 25.7 | 0.9 | | 背鳍至臀鳍间距 | 16.7 | 18.8 | 17.5 | 0.8 | ### 占标准体长百分比性状 | 性状 | 最小值 | 最大值 | 平均值 | 标准差 | |---------------------|--------|--------|--------|--------| | 背前长 | 45.5 | 47.8 | 46.7 | 1.0 | | 肛前长 | 54.8 | 58.4 | 57.2 | 1.4 | | 胸鳍前长 | 25.5 | 27.5 | 26.5 | 0.8 | | 腹鳍前长 | 35.2 | 36.6 | 35.9 | 0.6 | | 肛后长 | 35.5 | 39.5 | 37.1 | 1.6 | | 胸部长度 | 13.6 | 15.5 | 14.4 | 0.8 | | 腹部长度 | 19.3 | 23.2 | 20.8 | 1.6 | | 尾柄高 | 7.7 | 8.5 | 8.1 | 0.3 | ### 占头长百分比性状 | 性状 | 最小值 | 最大值 | 平均值 | 标准差 | |---------------------|--------|--------|--------|--------| | 头宽 | 60.6 | 68.0 | 65.6 | 3.0 | | 头高 | 40.7 | 42.3 | 41.6 | 0.7 | | 吻长 | 47.5 | 51.9 | 49.2 | 1.9 | | 眼径 | 11.1 | 13.5 | 12.6 | 1.0 | | 眼间距 | 36.7 | 41.2 | 39.3 | 1.9 | | 须长 | 6.0 | 8.7 | 7.1 | 1.1 | | 鼻前长 | 32.2 | 35.3 | 33.6 | 1.4 | | 鼻间距 | 10.0 | 12.7 | 11.6 | 1.0 | | 鼻孔宽 | 11.2 | 12.4 | 11.9 | 0.62 | | 眶下深度 | 20.4 | 21.7 | 21.0 | 0.5 |
