TABLE 2 in New records of Pimelodella (Siluriformes, Heptapteridae) from Colombia for the Amazon River basin, and redescription of P. serrata
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TABLE 2. Morphometric and meristic data for Pimelodella serrata. Abbreviations: n = Number of specimens; SD = standard deviation. Eigenmann, (1917)nRangeSDRangeStandard length (mm)885.2–109.88.967.0–110.0Body depth817.4–20.61.0-Cleithral width818.5–19.40.3-Predorsal length835.1–37.30.7-Dorsal-fin base813.3–14.30.3-Unbranched dorsal-fin ray length715.5–18.30.9-Dorsal fin to adipose fin81.5–2.40.3-Preadipose length850.7–53.00.7-Adipose-fin base840.2–43.81.340.0Adipose-fin depth85.8–7.10.5-Caudal-peduncle length posterior to anal-fin terminus821.2–23.50.7-Caudal-peduncle depth86.9–8.10.4-Upper caudal-fin lobe length423.8–29.82.8-Lower caudal-fin lobe length827.3–31.71.8-Preanal length867.0–70.10.9-Anal-fin base89.9–11.50.5-Prepelvic length845.3–47.60.9-Prepectoral length822.1–25.61.2-Length of first left pectoral-fin ray815.1–19.31.2-Maxillary-barbel length863.2–124.919.4-Outer mental-barbel length832.8–41.63.2-Inner mental-barbel length816.7–19.91.3-Head length824.2–26.50.823.1–25.6Head width849.0–55.02.1-Head depth842.0–45.01.0-Snout length833.3–36.10.9-Orbital diameter815.0–17.70.9-Mouth width825.4–27.30.7-Interorbital width819.8–21.40.6-Intranarial distance810.0–12.30.9-Branchiostegal rays6-Gill rakers on first ceratobranchial14-Gill rakers on first epibranchial5-Total number of vertebrae4343Insertion / termination of the dorsal fin5 / 115 / 10Insertion / termination of the adipose fin23 / 37-Insertion / termination of the anal fin23 / 2822 / 28Pelvic-fin insertion1213Dorsal-fin raysI,6I,6Pectoral-fin raysI,9-Pelvic-fin raysI,5-Anal-fin raysri,iii,8-Principal rays of caudal fini,7–8,i-
表2 锯纹小油鲶(Pimelodella serrata)的形态测量与计数数据。缩写说明:n为标本数;SD为标准差(standard deviation)。 艾根曼(Eigenmann),1917年 标准体长(mm):样本数88,测量范围5.2–109.8,标准差8.9,另一范围67.0–110.0 体高:样本数8,测量范围17.4–20.6,标准差1.0,无对应范围 匙骨宽:样本数8,测量范围18.5–19.4,标准差0.3,无对应范围 背前长:样本数83,测量范围35.1–37.3,标准差0.7,无对应范围 背鳍基长:样本数81,测量范围13.3–14.3,标准差0.3,无对应范围 不分枝背鳍鳍条长:样本数7,测量范围15.5–18.3,标准差0.9,无对应范围 背鳍至脂鳍间距:样本数8,测量范围1.5–2.4,标准差0.3,无对应范围 脂前长:样本数85,测量范围50.7–53.0,标准差0.7,无对应范围 脂鳍基长:样本数84,测量范围40.2–43.8,标准差1.3,另一范围40.0 脂鳍高:样本数8,测量范围5.8–7.1,标准差0.5,无对应范围 臀鳍末端后方的尾柄长:样本数8,测量范围21.2–23.5,标准差0.7,无对应范围 尾柄高:样本数8,测量范围6.9–8.1,标准差0.4,无对应范围 上尾鳍叶长:样本数4,测量范围23.8–29.8,标准差2.8,无对应范围 下尾鳍叶长:样本数8,测量范围27.3–31.7,标准差1.8,无对应范围 臀前长:样本数86,测量范围67.0–70.1,标准差0.9,无对应范围 臀鳍基长:样本数8,测量范围9.9–11.5,标准差0.5,无对应范围 腹前长:样本数84,测量范围45.3–47.6,标准差0.9,无对应范围 胸前长:样本数82,测量范围22.1–25.6,标准差1.2,无对应范围 左侧第一胸鳍鳍条长:样本数8,测量范围15.1–19.3,标准差1.2,无对应范围 上颌须长:样本数86,测量范围63.2–124.9,标准差19.4,无对应范围 外颏须长:样本数83,测量范围32.8–41.6,标准差3.2,无对应范围 内颏须长:样本数8,测量范围16.7–19.9,标准差1.3,无对应范围 头长:样本数8,测量范围24.2–26.5,标准差0.8,另一范围23.1–25.6 头宽:样本数84,测量范围49.0–55.0,标准差2.1,无对应范围 头高:样本数84,测量范围42.0–45.0,标准差1.0,无对应范围 吻长:样本数83,测量范围33.3–36.1,标准差0.9,无对应范围 眼径:样本数8,测量范围15.0–17.7,标准差0.9,无对应范围 口宽:样本数8,测量范围25.4–27.3,标准差0.7,无对应范围 眼间距:样本数8,测量范围19.8–21.4,标准差0.6,无对应范围 鼻间距:样本数8,测量范围10.0–12.3,标准差0.9,无对应范围 鳃条骨数:6 第一鳃弓角鳃骨鳃耙数:14 第一鳃弓上鳃骨鳃耙数:5 脊椎骨总数:43 背鳍起点/终止点:5/11、5/10 脂鳍起点/终止点:23/37、无数据 臀鳍起点/终止点:23/28、22/28 腹鳍起点:12、13 背鳍鳍条数:I,6 胸鳍鳍条数:I,9 腹鳍鳍条数:I,5 臀鳍鳍条数:ri,iii,8 尾鳍主鳍条数:i,7–8,i



