Published December 10, 2024
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TABLE 6 in Taxonomic review of the genus Johnius (Perciformes: Sciaenidae) from East Malaysian waters, with comments on newly recorded Johnius species
Authors/Creators
- 1. Department of Oceanography (Marine Biology group), National Sun Yat-sen University, Kaohsiung, Taiwan, R. O. C.
- 2. Department of Oceanography (Marine Biology group), National Sun Yat-sen University, Kaohsiung, Taiwan, R. O. C. & Institute of Marine Ecology and Conservation, National Sun Yat-sen University, Kaohsiung, Taiwan, R. O. C.
- 3. Department of Oceanography (Marine Biology group), National Sun Yat-sen University, Kaohsiung, Taiwan, R. O. C. & Marine Ecology and Conservation Research Center, National Academy of Marine Research, Kaohsiung, Taiwan, R. O. C. & National Museum of Marine Biology and Aquarium, and Graduate Institute of Marine Biology, National Dong Hwa University, Pingtung, Taiwan, R. O. C.
- 4. National Museum of Marine Biology and Aquarium, and Graduate Institute of Marine Biology, National Dong Hwa University, Pingtung, Taiwan, R. O. C. & Bio-Amazonia Conservation International, Boston, Massachusetts, USA
- 5. Faculty of Fisheries and Food Science, University Malaysia Terengganu (UMT), Kuala Terengganu, Malaysia & Fish Division, South China Sea Repository and Reference Center, Institute of Oceanography and Environment, University Malaysia Terengganu (UMT), Kuala Terengganu, Malaysia
Description
TABLE 6. Morphometric measurement of J. amblycephalus, J. belangerii, J. borneensis, J. carouna and J. coitor.
| SPECIES | J. amblycephalus | J. belangerii | J. borneensis | J. carouna | J. coitor |
|---|---|---|---|---|---|
| (n=31) | (n=17) | (n=30) | (n=30) | (n=4) | |
| Morphometric measurements | |||||
| Standard length(mm) | 106–156 | 82–157 | 86–185 | 88–148 | 108–136 |
| As percentage of SL | |||||
| Head length | 28.4–32.1(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 length | 9.2–34.9(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 length | 14.7–32.2(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 depth | 22.6–28.1(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 width | 13.9–19.2(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 length | 18.5–25.6(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 length | 16.2–27.9(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 length | 31.1–40.4(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 length | 6.2–11.8(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 length | 8.4–11.0(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 length | 6.3–10.8(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 length | 7.9–14.0(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 length | 61.8–69.8(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 length | 32.3–37.0(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 length | 52.2–59.0(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 length | 28.1–38.1(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 length | 27.8–36.3(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 depth | 7.6–10.1(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 HL | |||||
| Snout length | 25.9–34.0(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 length | 35.2–56.1(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 length | 26.1–38.0(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 length | 19.5–33.6(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 diameter | 19.2–27.1(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 width | 26.7–36.1(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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Notes
Published as part of Hanafi, Norhafiz, Chen, Meng-Hsien, Chang, Chih-Wei, Chao, Ning Labbish & Seah, Ying Giat, 2024, Taxonomic review of the genus Johnius (Perciformes: Sciaenidae) from East Malaysian waters, with comments on newly recorded Johnius species, pp. 101 in Zootaxa 5550 (1) on page 101, DOI: 10.11646/zootaxa.5550.1.11, http://zenodo.org/record/14388193
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