Table 1 in Astyanax jordanensis (Ostariophysi: Characidae), a new species from the rio Iguaçu basin, Paraná, Brazil
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Table 1. Morphometric data of Astyanax jordanensis based on the holotype and paratypes. N = number of specimens analyzed, including holotype, SD = standard deviation, m = male, f = female. HolotypeRangemaleNLowHighMeanSDStandard length (mm)47.7-39.275.7--Percents of standard lengthPredorsal distance51.54250.959.454.01.5Prepelvic distance46.74246.754.949.61.6Prepectoral distance25.44224.628.826.20.9Preanal distance63.34263.373.367.02.0Body depth at dorsal-fin origin30.44927.835.631.41.5Caudal peduncle depth12.24210.913.712.00.5Caudal peduncle length14.64213.716.815.50.7Anal-fin base24.84217.824.821.61.6Dorsal-fin length (m)25.3723.927.025.21.2Dorsal-fin length (f)-4221.225.123.01.0Pelvic-fin length (m)17.0716.217.916.90.5Pelvic-fin length (f)-4212.714.813.80.6Pectoral-fin length (m)22.3722.325.123.80.9Pectoral-fin length (f)-4217.823.119.71.1Head length28.34925.831.728.61.2Percents of head lengthSnout length27.04225.329.727.31.0Upper jaw length42.24238.847.143.41.5Orbital diameter27.84922.629.125.71.4Interorbital width32.84230.635.733.01.1
表1 基于正模标本(holotype)与副模标本(paratypes)的乔丹丽脂鲤(Astyanax jordanensis)形态测量数据。其中N为纳入分析的标本总数(含正模标本),SD为标准差(standard deviation),m代表雄性(male),f代表雌性(female)。 各测量指标及对应数据如下: 1. 标准体长(mm):正模标本值47.7,样本量5.7,范围无记录; 2. 以标准体长为基准的百分比指标: - 背前距:正模值51.5,样本量42,最小值50.9,最大值59.4,平均值54.0,标准差1.5 - 腹前距:正模值46.7,样本量42,最小值46.7,最大值54.9,平均值49.6,标准差1.6 - 胸前距:正模值25.4,样本量42,最小值24.6,最大值28.8,平均值26.2,标准差0.9 - 肛前距:正模值63.3,样本量42,最小值63.3,最大值73.3,平均值67.0,标准差2.0 - 背鳍起点处体高:正模值30.4,样本量49,最小值27.8,最大值35.6,平均值31.4,标准差1.5 - 尾柄高:正模值12.2,样本量42,最小值10.9,最大值13.7,平均值12.0,标准差0.5 - 尾柄长:正模值14.6,样本量42,最小值13.7,最大值16.8,平均值15.5,标准差0.7 - 臀鳍基长:正模值24.8,样本量42,最小值17.8,最大值24.8,平均值21.6,标准差1.6 - 雄性背鳍长:正模值25.3,样本量7,最小值23.9,最大值27.0,平均值25.2,标准差1.2 - 雌性背鳍长:无正模值,样本量42,最小值21.2,最大值25.1,平均值23.0,标准差1.0 - 雄性腹鳍长:正模值17.0,样本量7,最小值16.2,最大值17.9,平均值16.9,标准差0.5 - 雌性腹鳍长:无正模值,样本量42,最小值12.7,最大值14.8,平均值13.8,标准差0.6 - 雄性胸鳍长:正模值22.3,样本量7,最小值22.3,最大值25.1,平均值23.8,标准差0.9 - 雌性胸鳍长:无正模值,样本量42,最小值17.8,最大值23.1,平均值19.7,标准差1.1 - 头长:正模值28.3,样本量49,最小值25.8,最大值31.7,平均值28.6,标准差1.2 3. 以头长为基准的百分比指标: - 吻长:正模值27.0,样本量42,最小值25.3,最大值29.7,平均值27.3,标准差1.0 - 上颌长:正模值42.2,样本量42,最小值38.8,最大值47.1,平均值43.4,标准差1.5 - 眶径:正模值27.8,样本量49,最小值22.6,最大值29.1,平均值25.7,标准差1.4 - 眼间距:正模值32.8,样本量42,最小值30.6,最大值35.7,平均值33.0,标准差1.1



