Glaridoglanis verruciloba sp. nov., a new glyptosternine catfish (Siluriformes, Sisoridae) from the Zayul River in southeastern Tibet, China Author Gong, Zheng 0000-0002-0176-696X College of Life Sciences, Zaozhuang University, Zaozhuang 277160, China Author Wang, Huanshan 0000-0003-0542-5588 Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China Author Liu, Yanchao 0000-0002-2530-8787 Key Lab of Biological Resources and Biosecurity of Xizang Autonomous Region, Institute of Plateau Biology of Xizang Autonomous Region, Lhasa 850030, China Author Li, Jianchuan Xizang Museum of Natural Science, Lhasa 850011, China text ZooKeys 2025 2025-12-10 1262 289 301 journal article 313399 10.3897/zookeys.1262.172819 10080701-cec9-45bd-8627-c99be52e43e9 2351B33E-30D5-4783-8B4D-DF1FF15D5D9B

Table 2. Morphometric data for Glaridoglanis verruciloba sp. nov. and its closest congener, G. andersonii. N = sample size, SD = standard deviation.

	Glaridoglanis verruciloba sp. nov. (N = 6)			G. andersonii (N = 6)
	Holotype	Range	Mean ± SD	Range	Mean ± SD
Standard length (mm)	147.8	106.7–156.6	138.4 ± 17.3	114.6–184.8	154.2 ± 23.9
Percent of standard length
Body depth at dorsal-fin origin	11.8	11.2–13.4	12.4 ± 0.8	9.8–11.8	10.5 ± 0.7
Body depth at anus	9.0	8.4–11.8	9.7 ± 1.1	8.5–9.9	9.2 ± 0.5
Head length	19.1	19.1–21.7	20.8 ± 0.9	22.2–24.2	22.8 ± 0.4
Head depth	9.7	9.6–10.3	10.0 ± 0.2	7.2–8.5	7.9 ± 0.4
Head width	18.1	17.4–21.1	18.9 ± 1.2	19.2–20.6	19.9 ± 0.5
Predorsal length	29.1	28.8–30.5	29.3 ± 0.6	31.2–32.6	31.9 ± 0.5
Prepectoral length	12.8	12.8–16.7	14.9 ± 1.3	14.9–16.5	15.8 ± 0.5
Prepelvic length	40.4	40.4–42.4	41.3 ± 0.6	42.3–46.5	44.9 ± 1.5
Preanal length	72.0	70.5–74.0	72.1 ± 1.4	72.7–74.4	73.5 ± 0.6
Preadipose length	64.6	62.4–68.1	64.6 ± 1.8	67.1–71.3	69.7 ± 1.5
Dorsal-fin length	12.7	11.3–14.8	13.0 ± 1.1	13.3–16.1	14.0 ± 1.1
Pectoral-fin length	20.8	19.8–23.1	21.3 ± 1.3	19.4–21.6	20.4 ± 0.8
Pelvic-fin length	19.5	17.2–19.8	18.8 ± 1.2	16.3–18.7	17.2 ± 0.8
Anal-fin length	15.4	13.4–15.4	14.3 ± 0.7	14.2–16.8	15.5 ± 0.9
Caudal-fin length	11.8	11.4–15.2	13.4 ± 1.3	10.1–14.6	12.3 ± 1.5
Dorsal-fin base length	6.8	6.3–8.0	7.2 ± 0.6	6.5–7.6	7.2 ± 0.4
Pectoral-fin base length	9.7	8.9–9.9	9.4 ± 0.4	8.6–9.9	9.2 ± 0.5
Pelvic-fin base length	6.6	6.1–7.1	6.5 ± 0.3	5.4–6.1	5.8 ± 0.3
Anal-fin base length	8.1	7.4–8.8	7.9 ± 0.5	7.8–9.3	8.6 ± 0.6
Adipose-fin base length	28.1	24.8–29.5	27.6 ± 1.7	23.3–29.9	26.1 ± 2.4
Dorsal-to-adipose distance	28.1	23.6–30.1	27.6 ± 2.1	26.5–34.3	30.7 ± 2.5
Pectoral – pelvic distance	17.2	15.9–19.5	17.2 ± 1.2	20.0–23.9	21.8 ± 1.5
Pelvic to anal distance	24.0	21.6–25.1	23.4 ± 1.5	21.2–23.7	22.5 ± 0.9
Vent-anal-fin origin distance	2.8	1.7–2.8	2.3 ± 0.3	2.7–4.1	3.2 ± 0.5
Caudal-peduncle length	19.0	16.1–20.9	18.8 ± 1.4	16.4–19.6	17.9 ± 1.1
Caudal-peduncle depth	7.0	6.9–9.7	7.6 ± 0.9	7.4–8.7	7.8 ± 0.5
Percent of head length
Snout length	53.9	49.6–53.9	52.1 ± 1.7	43.8–52.1	49.5 ± 3.1
Mouth width	36.5	31.5–36.5	34.5 ± 1.7	31.3–34.2	33.1 ± 1.1
Interorbital distance	28.4	22.3–31.0	26.7 ± 2.8	24.2–26.8	26.0 ± 1.0
Eye diameter	5.3	4.8–7.3	6.0 ± 0.8	4.5–6.0	5.3 ± 0.6
Nasal barbel length	27.3	24.1–37.4	28.5 ± 5.5	32.5–40.5	37.1 ± 3.1
Maxillary barbel length	75.5	71.8–90.1	78.3 ± 6.0	77.9–98.8	87.7 ± 7.6
Inner mandibular barbel length	17.7	13.9–17.7	16.2 ± 1.5	17.2–20.9	19.0 ± 1.5
Outer mandibular barbel length	33.3	29.1–36.4	32.2 ± 2.4	34.2–39.7	37.4 ± 2.3