TABLE 6 in Taxonomic review of the genus Johnius (Perciformes: Sciaenidae) from East Malaysian waters, with comments on newly recorded Johnius species

TABLE 6. Morphometric measurement of J. amblycephalus, J. belangerii, J. borneensis, J. carouna and J. coitor.
SPECIESJ. amblycephalusJ. belangeriiJ. borneensisJ. carounaJ. coitor(n=31)(n=17)(n=30)(n=30)(n=4)Morphometric measurementsStandard length(mm)106–15682–15786–18588–148108–136As percentage of SLHead length28.4–32.1(30.4±1.0)28.6–32.5(30.4±1.3)29.5–34.3(32.0±1.1)25.5–32.3(29.83±1.4)28.9–30.2(2935±0.6)Pectoral fin length9.2–34.9(21.8±3.7)17.3–19.6(18.6±0.6)12.8–24.1(19.0±2.2)13.12–26.2(21.5±2.6)20.7–22.7(21.5±0.8)Pelvic fin length14.7–32.2(17.4±2.9)16.6–21.0(18.8±1.3)12.2–19.0(16.5±1.8)13.5–19.9(16.8±1.5)18.9–21.8(20.1±1.3)Body depth22.6–28.1(25.9±1.4)27.3–32.2(29.2±1.5)25.8–32.3(29.2±1.5)20.0–31.6(26.5±2.1)26.3–27.6(27.1±0.6)Body width13.9–19.2(16.1±1.3)13.0–16.0(14.7±0.8)11.3–19.1(15.5±1.5)10.4–19.4(14.1±1.6)14.4–17.1(15.5±1.2)1 st dorsal fin base length18.5–25.6(22.0±1.9)18.2–23.5(20.6±1.5)15.2–25.1(20.7±1.8)15.9–26.9(20.3±2.0)19.5–22.6(20.4±1.5)4 th spine of 1 st dorsal fin length16.2–27.9(21.3±2.7)11.3–17.7(15.6±1.5)10.5–17.9(14.8±1.6)11.3–18.8(15.2±1.7)14.3–17.5(15.9±1.4)2 nd dorsal fin base length31.1–40.4(34.7±2.7)37.5–46.5(41.2±2.2)32.1–42.4(38.2±2.4)35.1–43.7(40.1±2.1)38.3–41.9(40.5±1.8)5 th ray of 2 nd dorsal fin length6.2–11.8(9.2±1.4)7.8–12.2(10.1±1.2)6.8–14.7(10.1±1.7)7.9–17.3(10.4±1.5)9.1–11.2(10.3±1.0)Anal fin base length8.4–11.0(9.4±0.7)8.7–12.0(10.2±1.0)7.0–10.4(8.8±0.7)7.4–10.8(8.8±0.7)9.2–10.6(9.9±0.6)2 nd spine of anal fin length6.3–10.8(8.5±1.1)8.9–13.4(11.3±1.2)5.6–13.6(8.4±1.6)9.6–14.7(11.9±1.3)10.3–11.6(11.1±0.6)1 st ray of anal fin length7.9–14.0(12.4±1.3)13.0–16.0(14.4±0.7)8.0–16.6(12.4±1.8)9.7–16.5(13.2±1.3)15.2–15.4(15.3±0.1)Preanal length61.8–69.8(66.9±1.7)65.8–69.3(67.8±1.2)64.2–78.6(71.6±2.3)62.5–72.7(68.3±2.0)63.3–67.0(65.8±1.7)Predorsal length32.3–37.0(34.7±1.2)33.3–37.1(34.7±1.2)32.8–36.7(35.2±1.0)27.0–38.0(34.0±2.1)34.5–36.5(35.8±0.9)Snout to origin of 2 nd dorsal fin length52.2–59.0(54.6±1.7)50.3–57.3(53.1±1.8)51.7–57.9(54.4±1.5)43.6–57.5(52.3±2.5)52.0–56.7(54.5±2.1)Prepectoral length28.1–38.1(31.4±1.8)28.0–31.4(29.6±0.9)29.2–34.6(32.0±1.3)22.7–34.3(30.1±2.2)30.9–32.0(31.3±0.5)Prepelvic length27.8–36.3(33.5±1.7)32.7–35.1(33.9±0.6)33.2–38.1(36.0±1.3)27.0–34.3(30.1±2.2)33.5–35.5(34.4±0.8)Caudal peduncle depth7.6–10.1(9.0±0.7)7.6–10.1(9.7±0.6)7.8–10.9(9.8±0.8)2.2–10.5(9.2±1.1)7.6–7.9(7.8±0.2)As percentage of HLSnout length25.9–34.0(30.3±2.1)24.5–29.2(27.1±1.4)22.3–33.4(29.6±2.1)23.8–30.2(27.1±1.5)32.1–33.6(32.6±0.7)Upper jaw length35.2–56.1(48.7±5.4)35.2–50.5(42.1±4.3)36.9–56.0(46.7±5.5)34.7–52.6(43.6±5.7)42.3–45.6(43.8±1.4)Tip upper jaw to hinge length26.1–38.0(32.9±3.5)24.8–37.1(29.6±4.0)28.2–46.9(37.5±4.8)22.6–39.8(30.4±5.0)27.1–29.9(28.9±1.3)Tip lower jaw to hinge length19.5–33.6(28.1±3.5)22.0–33.3(26.5±3.5)19.8–42.7(33.8±5.1)21.0–46.4(27.2±5.2)24.8–27.5(26.0±1.1)Eye diameter19.2–27.1(22.8±1.9)20.8–32.6(25.3±3.4)19.3–27.3(22.6±1.6)20.3–35.2(24.8±2.5)12.3–16.5(14.1±1.8)Interorbital width26.7–36.1(29.1±1.6)18.5–24.4(20.8±2.1)24.9–31.8(27.3±1.6)20.9–29.2(25.1±1.8)26.2–28.0(27.0±0.9)
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