Description of a new species of Oreonectes (Cypriniformes, Nemacheilidae) from Guangxi, China 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 & Guangxi Key Laboratory of Rare and Endangered Animal Ecology, College of Life Sciences, Guangxi Normal University, Guilin, Guangxi 541004, China Author Huang, Shi-Rong Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education, Guilin, Guangxi 541004, China Author Zou, Tong-Xiang 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 Lin, Feng 0000-0001-7240-9233 Guangxi Key Laboratory of Rare and Endangered Animal Ecology, College of Life Sciences, Guangxi Normal University, Guilin, Guangxi 541004, China & Guangxi Academy of Fishery Sciences, Nanning, Guangxi 530021, China text Zoosystematics and Evolution 2026 2026-01-13 102 1 119 130 journal article 313721 10.3897/zse.102.172439 bccce26f-a4fd-4612-bf80-781ad11d58d9 3387D14F-3A46-44B2-8C7B-E5F41390EE81

Table 5. Results and percentages of variance explained by principal component analysis (PCA).

Morphometric characters	PC 1	PC 2
Standard length	- 0.273	0.269
Body depth / SL	- 0.270	-0.146
Body width / SL	- 0.338	0.017
Head length / SL	0.197	-0.133
Head depth / SL	- 0.191	0.084
Head width / SL	0.161	0.190
Predorsal length / SL	0.303	0.116
Pectoral-fin length / SL	0.214	-0.228
Prepelvic length / SL	- 0.137	0.275
Pelvic length / SL	0.305	-0.119
Preanal length / SL	0.114	0.370
Preanus length / SL	0.064	0.375
Caudal-peduncle length / SL	0.331	0.144
Caudal-peduncle depth / SL	- 0.026	-0.419
Eye diameter / HL	0.116	-0.323
Interorbital width / HL	0.316	0.132
Snout length / HL	0.104	-0.080
Postorbital length / HL	0.171	0.275
Pelvic length / distance between pectoral fin and pelvic fin	0.321	-0.090
Eigenvalue	7.52	4.65
Variance (%)	39.5 %	24.5 %
Cumulative (%)	39.5 %	64.1 %