Traccatichthys punctulatus sp. nov., a new species of stone loach (Pisces, Nemacheilidae) from Guangxi, southern China Author Qin, Zhi-Xian https://orcid.org/0009-0001-7271-813X Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection, Guangxi Normal University, Ministry of Education, Guilin, Guangxi 541004, China Author Zhou, Jia-Jun 0000-0003-1038-1540 Guangxi Key Laboratory of Rare and Endangered Animal Ecology, College of Life Science, Guangxi Normal University, Guilin, Guangxi 541004, China & Zhejiang Forest Resource Monitoring Center, Hangzhou, Zhejiang 310020, 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 Lin, Feng 0000-0001-7240-9233 Zhejiang Forestry Survey Planning and Design Company Limited, Hangzhou, Zhejiang 310020, China & Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning, Guangxi 530021, China text Zoosystematics and Evolution 2025 2025-06-02 101 3 1013 1021 journal article 310149 10.3897/zse.101.146077 fe416336-4dce-47b7-8484-bade377a690e 99656EF0-6D97-4D1A-9E76-A36C5B19E834

Table 1. Morphometric measurements and meristic counts for T. punctulatus sp. nov.

Characters	Holotype	Paratypes (mean ± SD)
Total length (mm)	56.9	49.6–76.8 (64.7 ± 8.8)
Standard length (mm)	47.4	40.1–63.7 (53.4 ± 7.7)
Percent of standard length (%)
Deepest body depth	20.7	17.6–21.1 (19.7 ± 1.1)
Head width	11.2	10.0–13.4 (11.9 ± 0.8)
Lateral head length	25.6	22.2–26.7 (24.9 ± 1.3)
Prepelvic length	53.3	50.6–58.9 (54.6 ± 2.1)
Preanal length	75.9	68.9–80.7 (75.9 ± 2.7)
Preanus length	73.0	66.2–75.5 (71.6 ± 2.4)
Caudal-peduncle length	16.1	14.7–19.6 (17.0 ± 1.5)
Caudal-peduncle depth	14.7	13.2–15.6 (14.4 ± 0.7)
Percent of lateral head length (%)
Head width	43.7	39.6–54.6 (47.7 ± 4.3)
Head depth	52.8	55.4–64.9 (58.4 ± 2.7)
Eye diameter	23.5	21.1–27.8 (23.8 ± 2.5)
Interorbital width	28.9	22.3–36.0 (28.8 ± 3.8)
Snout length	41.7	42.8–51.1 (42.6 ± 2.6)
Percent of caudal-peduncle length (%)
Caudal-peduncle depth	91.5	74.8–97.3 (84.8 ± 8.4)
Dorsal-fin rays	iii, 11	iii, 11–13
Pectoral-fin rays	i, 11	i, 10–11
Pelvic-fin rays	i, 7	i, 7
Anal-fin rays	ii, 5	ii, 5
Branched caudal-fin rays	16	16–17