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TABLE 2 in Squalius cephaloides, a synonym of Squalius cii (Teleostei: Leuciscidae)

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TABLE 2. Morphometric data of Squalius cephaloides and S. cii (FFR 6233; FFR 6200; FFR 6214), SD: standard deviation. S. cephaloidesS. ciiN.620Standard length (mm)124-206142-227In percentage of SLrange (mean)SDrange (mean)SDHead length23.8–25.6 (24.8)0.624.2–28.1 (25.9)1.1Body depth at dorsal-fin origin23.6–24.9 (24.3)0.422.8–26.3 (24.4)1.0Predorsal length52.5–55.2 (53.9)1.052.7–57.3 (54.6)1.3Prepelvic length48.7–51.1 (50.1)0.748.5–53.6 (51.4)1.4Preanal length70.8–73.6 (72.6)1.070.3–74.7 (73.0)1.4Pectoral-fin origin to anal fin51.0–53.1 (52.0)0.848.3–52.2 (50.3)1.1Pectoral-fin origin to pelvic fin27.2–29.5 (28.3)0.725.9–29.3 (27.8)1.0Pelvic-fin origin to anal fin22.6–24.3 (23.7)0.620.8–25.0 (23.0)1.1Dorsal-fin height20.3–21.4 (20.8)0.419.8–22.2 (20.9)0.6Anal-fin height17.7–19.7 (18.6)0.717.6–21.3 (19.4)1.0Pectoral-fin length16.0–20.4 (18.1)1.516.6–19.7 (18.0)0.9Pelvic-fin length14.9–16.4 (15.6)0.614.4–17.2 (15.5)0.7Length of upper caudal-fin lobe20.9–25.1 (23.2)1.621.5–27.8 (24.1)1.9Length of middle caudal-fin rays12.9–15.3 (14.4)0.913.6–17.3 (15.3)0.9Length of caudal peduncle19.5–20.5 (20.1)0.417.5–20.7 (18.9)0.9Depth of caudal peduncle11.6–12.2 (12.0)0.210.7–12.5 (11.6)0.4In percentage of HLSnout length31.1–31.7 (31.9)0.530.4–35.2 (32.9)1.2Eye diameter18.6–21.1 (20.2)0.817.9–23.5 (21.4)1.5Interorbital width37.0–41.9 (38.4)1.636.4–41.2 (38.6)1.2Head width1 at anterior margin of eyes41.9–46.2 (43.5)1.441.4–47.9 (43.8)2.0Head width2 at posterior margin of eyes52.4–57.0 (55.2)1.751.9–56.9 (53.9)1.8Head width3 at middle of opercle60.2–66.1 (64.6)2.156.6–65.2 (60.5)2.6Head depth1 at through eye49.0–51.3 (50.0)0.847.2–52.1 (50.0)1.4Head depth2 at nape66.4–71.1 (68.4)1.564.1–71.7 (67.3)2.1Snout width at nostrils36.1–40.0 (38.3)1.435.5–42.4 (38.2)1.8Width of mouth gape24.4–29.4 (26.7)1.725.3–31.9 (28.3)1.9Length of mouth gape26.5–30.0 (27.9)1.625.1–31.7 (28.9)1.8

表2 头形鱥(Squalius cephaloides)与S. cii的形态测量数据(标本编号:FFR 6233、FFR 6200、FFR 6214),SD为标准差(standard deviation, SD)。 两种鱼的样本量均为620;标准体长(standard length, SL):头形鱥为124~206 mm,S. cii为142~227 mm。 ### 以标准体长百分比计 各测量指标的数值格式为「范围(均值),标准差(SD)」,其中头形鱥在前,S. cii在后: 1. 头长:23.8~25.6(24.8),0.6;24.2~28.1(25.9),1.1 2. 背鳍起点处体高:23.6~24.9(24.3),0.4;22.8~26.3(24.4),1.0 3. 背前长:52.5~55.2(53.9),1.0;52.7~57.3(54.6),1.3 4. 腹前长:48.7~51.1(50.1),0.7;48.5~53.6(51.4),1.4 5. 肛前长:70.8~73.6(72.6),1.0;70.3~74.7(73.0),1.4 6. 胸鳍起点至臀鳍距离:51.0~53.1(52.0),0.8;48.3~52.2(50.3),1.1 7. 胸鳍起点至腹鳍距离:27.2~29.5(28.3),0.7;25.9~29.3(27.8),1.0 8. 腹鳍起点至臀鳍距离:22.6~24.3(23.7),0.6;20.8~25.0(23.0),1.1 9. 背鳍高:20.3~21.4(20.8),0.4;19.8~22.2(20.9),0.6 10. 臀鳍高:17.7~19.7(18.6),0.7;17.6~21.3(19.4),1.0 11. 胸鳍长:16.0~20.4(18.1),1.5;16.6~19.7(18.0),0.9 12. 腹鳍长:14.9~16.4(15.6),0.6;14.4~17.2(15.5),0.7 13. 上尾鳍叶长:20.9~25.1(23.2),1.6;21.5~27.8(24.1),1.9 14. 尾鳍中部鳍条长:12.9~15.3(14.4),0.9;13.6~17.3(15.3),0.9 15. 尾柄长:19.5~20.5(20.1),0.4;17.5~20.7(18.9),0.9 16. 尾柄高:11.6~12.2(12.0),0.2;10.7~12.5(11.6),0.4 ### 以头长百分比计 各测量指标的数值格式为「范围(均值),标准差(SD)」,其中头形鱥在前,S. cii在后: 1. 吻长:31.1~31.7(31.9),0.5;30.4~35.2(32.9),1.2 2. 眼径:18.6~21.1(20.2),0.8;17.9~23.5(21.4),1.5 3. 眶间距:37.0~41.9(38.4),1.6;36.4~41.2(38.6),1.2 4. 眼前缘处头宽:41.9~46.2(43.5),1.4;41.4~47.9(43.8),2.0 5. 眼后缘处头宽:52.4~57.0(55.2),1.7;51.9~56.9(53.9),1.8 6. 鳃盖中部处头宽:60.2~66.1(64.6),2.1;56.6~65.2(60.5),2.6 7. 经眼处头高:49.0~51.3(50.0),0.8;47.2~52.1(50.0),1.4 8. 项背部头高:66.4~71.1(68.4),1.5;64.1~71.7(67.3),2.1 9. 鼻孔处吻宽:36.1~40.0(38.3),1.4;35.5~42.4(38.2),1.8 10. 口裂宽:24.4~29.4(26.7),1.7;25.3~31.9(28.3),1.9 11. 口裂长:26.5~30.0(27.9),1.6;25.1~31.7(28.9),1.8

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