Ompok argestes, a new species of silurid catfish endemic to Sri Lanka (Teleostei: Siluridae) Author Sudasinghe, Hiranya Author Meegaskumbura, Madhava text Zootaxa 2016 4158 2 261 271 journal article 38303 10.11646/zootaxa.4158.2.7 fe1e217f-8caa-4fdf-a7d8-c370f198fd60 1175-5326 261324 6825F2D4-39A7-4837-9E43-7B652EB8DDA1

TABLE 1. Morphometric data for Ompok argestes (n=8; 2016.04.01.NH, 2016.05.01.NH, 2016.05.02.NH, DZ 1380, 1395, 3049, 3199, 3200), O. bimaculatus (n =8; NBFGRKU.2016.04.10.01–08) and O. ceylonensis (n=16; DZ 1388, 1389, 1391-1394, 1423-1424, 3000-3005, 3211, 3212). Holotype values are included in range, mean and standard deviation.

	holotype	range	mean ± s.d.	range	mean ± s.d.	range	mean ± s.d.
Standard length (mm)	147	76.4–147	104 ± 21.6	145–255	171 ± 37	97.2–289	197 ± 52.4
Percent of standard length
Predorsal length	34.3	34–36.8	35.6 ± 1.1	29.1–31.5	30.3 ± 0.9	29.6–37.1	33.4 ± 1.9
Postdorsal length	68.5	66.5–69.2	68.0 ± 0.9	68.1–71.9	69.7 ± 1.3	66.0–71.1	68.4 ± 1.6
Preanal length	35.8	35.8–39.6	37.8 ± 1.4	34.5–36.4	35.4 ± 0.7	34.3–44.1	39.9 ± 3.3
Prepelvic length	32.2	32.2–34.7	33.6 ± 1.0	30.6–32.9	31.5 ± 0.8	31.0–40.0	35.8 ± 2.5
Caudal peduncle length	3.4	2.9–3.5	3.3 ± 0.3	3.2–4.6	3.9 ± 0.6	3.4–4.9	4.0 ± 0.5
Caudal peduncle depth	6.5	5.6–6.5	6.1 ± 0.4	5.7–7.2	6.6 ± 0.5	5.6–7.3	6.5 ± 0.5
Body depth at anus	21.1	19.8–22.3	21.2 ± 0.9	20.8–23.5	21.9 ± 0.9	19.6–26.4	23.6 ± 2.2
Dorsal-fin height	12.3	11.5–14.5	13.0 ± 1.1	10.4–13.9	12.3 ± 1.2	8.9–14.3	11.7 ± 1.5
Dorsal-fin base length	2.0	1.9–2.6	2.3 ± 0.3	1.1–1.5	1.3 ± 0.3	1.3–3.2	2.1 ± 0.6
Anal-fin base length	62.4	59.1–62.4	61.5 ± 1.2	62.4–68.7	64.9 ± 2.4	51.7–65.0	59.7 ± 3.9
Pelvic-fin height Pelvic-fin base length Pectoral-fin height	6.7 2.9 15.8	5.4–7.3 2.5–4.1 15.2–17.4	6.7 ± 0.7 3.3 ± 0.6 16.4 ± 0.9	5.8–7.5 2.4–3.4 15–18	6.5 ± 0.6 3 ± 0.4 17.1 ± 1	5.4–7.1 2.2–3.6 12.5–19.4	6.6 ± 0.5 3.1 ± 0.5 16.6 ± 2.1