Table 1 in Field studies in small streams of the Atlantic Forest of southern subtropical Brazil reveal two new interstitial microcambevine catfishes of the genus Listrura (Siluriformes: Trichomycteridae)
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Table 1. Morphometric data of Listrura gyrinura sp. nov. and Listrura urussanga sp. nov. Listrura gyrinuraListrura urussangaParatypesParatypesHolotype(n = 10)Holotype(n = 10)Standard length (mm)39.927.6–41.635.527.6–39.6Percentage of standard lengthBody depth9.99.0–11.913.511.0–13.6Caudal peduncle depth11.810.6–12.913.412.3–14.4Body width4.43.7–6.56.45.1–7.2Caudal peduncle width1.91.8–2.52.41.9–3.3Pre-dorsal length68.168.1–74.772.267.6–75.3Dorsal-fin base length4.13.2–5.33.53.5–4.9Anal-fin base length6.15.5–7.44.65.4–7.0Caudal-fin length14.212.4–14.616.613.5–16.5Pectoral-fin length10.88.1–11.713.710.4–13.6Head length13.612.8–15.613.913.3–15.5Percentage of head lengthHead depth45.643.0–52.153.548.7–55.6Head width79.273.1–85.786.875.9–86.6Snout length42.835.3–45.339.034.0–41.5Interorbital length23.821.1–24.325.622.6–29.9Preorbital length5.94.0–7.36.55.4–6.8Eye diameter9.68.4–11.99.18.2–10.7
表1 旋尾丽脂鲤（Listrura gyrinura sp. nov.）与乌鲁桑加丽脂鲤（Listrura urussanga sp. nov.）的形态测量数据 本数据集包含两个新种的形态测量参数，每个物种分别设置正模（Holotype，样本量n=10）与副模（Paratypes）两组样本。测量指标分为两类：以毫米为单位的标准体长（standard length），以及以标准体长为基准的百分比形态指标，另有以头长为基准的百分比头部形态指标。具体参数如下： 1. 标准体长（standard length, mm）：旋尾丽脂鲤正模为39.9，副模范围为27.6–41.6；乌鲁桑加丽脂鲤正模为35.5，副模范围为27.6–39.6 2. 占标准体长的百分比 - 体高：旋尾丽脂鲤正模9.9，副模9.0–11.9；乌鲁桑加丽脂鲤正模13.5，副模11.0–13.6 - 尾柄高：旋尾丽脂鲤正模11.8，副模10.6–12.9；乌鲁桑加丽脂鲤正模13.4，副模12.3–14.4 - 体宽：旋尾丽脂鲤正模4.4，副模3.7–6.5；乌鲁桑加丽脂鲤正模6.4，副模5.1–7.2 - 尾柄宽：旋尾丽脂鲤正模1.9，副模1.8–2.5；乌鲁桑加丽脂鲤正模2.4，副模1.9–3.3 - 背前距：旋尾丽脂鲤正模68.1，副模68.1–74.7；乌鲁桑加丽脂鲤正模72.2，副模67.6–75.3 - 背鳍基长：旋尾丽脂鲤正模4.1，副模3.2–5.3；乌鲁桑加丽脂鲤正模3.5，副模3.5–4.9 - 臀鳍基长：旋尾丽脂鲤正模6.1，副模5.5–7.4；乌鲁桑加丽脂鲤正模4.6，副模5.4–7.0 - 尾鳍长：旋尾丽脂鲤正模14.2，副模12.4–14.6；乌鲁桑加丽脂鲤正模16.6，副模13.5–16.5 - 胸鳍长：旋尾丽脂鲤正模10.8，副模8.1–11.7；乌鲁桑加丽脂鲤正模13.7，副模10.4–13.6 - 头长：旋尾丽脂鲤正模13.6，副模12.8–15.6；乌鲁桑加丽脂鲤正模13.9，副模13.3–15.5 3. 占头长的百分比 - 头高：旋尾丽脂鲤正模45.6，副模43.0–52.1；乌鲁桑加丽脂鲤正模53.5，副模48.7–55.6 - 头宽：旋尾丽脂鲤正模79.2，副模73.1–85.7；乌鲁桑加丽脂鲤正模86.8，副模75.9–86.6 - 吻长：旋尾丽脂鲤正模42.8，副模35.3–45.3；乌鲁桑加丽脂鲤正模39.0，副模34.0–41.5 - 眼间距：旋尾丽脂鲤正模23.8，副模21.1–24.3；乌鲁桑加丽脂鲤正模25.6，副模22.6–29.9 - 眶前距：旋尾丽脂鲤正模5.9，副模4.0–7.3；乌鲁桑加丽脂鲤正模6.5，副模5.4–6.8 - 眼径：旋尾丽脂鲤正模9.6，副模8.4–11.9；乌鲁桑加丽脂鲤正模9.1，副模8.2–10.7
