Yunnanilus mentibarbatus, a new species of loach from Yunnan, China (Cypriniformes, Nemacheilidae) Author Chen, Zhuo-Ni https://orcid.org/0009-0003-7209-4421 Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, Guangxi 541004, China Author Du, Li-Na 0000-0002-2246-643X Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, Guangxi 541004, China Author Liang, Yan Guangxi Key Laboratory of Rare and Endangered Animal Ecology, College of Life Sciences, Guangxi Normal University, Guilin, Guangxi 541004, China text Zoosystematics and Evolution 2025 2025-09-26 101 4 1911 1919 journal article 312443 10.3897/zse.101.162354 ece99fc1-c0e7-4b8d-b8c9-9f68378ab188 3916E640-FCEB-4481-BC8B-A242428364B6

Table 3. Morphometric and meristic data of Yunnanilus mentibarbatus sp. nov.

Characters	Holotype	Paratypes (Mean ± SD)
Total length (mm)	81.2	50.4–65.8 (48.6 ± 6.6)
Standard length (mm)	68.3	40.3–54.2 (45.4 ± 5.6)
Percent of standard length (%)
Deepest body depth	18.0	15.6–20.5 (18.2 ± 1.5)
Head width	13.8	12.2–15.4 (13.9 ± 1.0)
Predorsal length	52.3	50.7–53.9 (52.8 ± 0.9)
Prepelvic length	53.6	53.3–58.9 (55.2 ± 1.5)
Preanal length	76.2	75.2–79.7 (77.6 ± 1.3)
Preanus length	70.5	70.5–75.9 (72.8 ± 1.5)
Caudal-peduncle length	15.4	15.0–17.8 (15.9 ± 0.9)
Caudal-peduncle depth	9.9	8.9–11.4 (10.3 ± 0.7)
Percent of head length (%)
Head width	57.4	50.7–58.2 (55.0 ± 2.7)
Head depth	58.1	49.7–58.1 (54.3 ± 2.9)
Eye diameter	16.3	16.3–23.2 (20.0 ± 2.2)
Interorbital width	31.2	26.3–34.2 (30.6 ± 2.5)
Snout length	32.3	30.4–36.6 (33.6 ± 1.9)
Percent of caudal-peduncle length (%)
Caudal-peduncle depth	64.0	49.9–75.5 (65.2 ± 6.4)
Counts
Dorsal-fin rays	iv, 8	iv, 8
Pectoral-fin rays	i, 11	i, 10
Pelvic-fin rays	i, 6	i, 6
Anal-fin rays	iii, 6	iii, 6
Branched caudal-fin rays	16	16