Re-description of the loach species Leptobotia citrauratea (Teleostei, Botiidae), with the description of L. brachycephala from southern Zhejiang Province, China Author Guo, Dong-Ming https://orcid.org/0000-0003-2263-2167 Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, Hubei Province, China & University of Chinese Academy of Sciences, Beijing, 100049, China Author Zhang, E Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, Hubei Province, China zhange@ihb.ac.cn text ZooKeys 2021 2021-02-12 1017 89 109 http://dx.doi.org/10.3897/zookeys.1017.57503 journal article http://dx.doi.org/10.3897/zookeys.1017.57503 1313-2970-1017-89 22E18CFF59264283B996F937838A0712 4ACC0FCD1DDB5FE18D1AC42E3B8A75C4

Table 5. Loadings of morphological traits on the first three principal components. Variables in bold indicate higher loading values.

Variable	PC1	PC2	PC3
Standard length	0.224	-0.150	-0.079
Body depth	0.164	0.155	0.060
Body width at dorsal origin	0.163	0.123	0.287
Head length	0.169	0.050	-0.002
Head depth at nape	0.165	0.173	0.108
Head depth at eye	0.148	0.150	0.112
Caudal-peduncle length	0.288	- 0.445	-0.100
Caudal-peduncle depth	0.206	-0.138	-0.026
Caudal-peduncle width	0.169	-0.237	0.862
Dorsal-fin length	0.197	0.375	-0.025
Pectoral-fin length	0.187	0.241	-0.118
Pelvic-fin length	0.176	0.144	-0.124
Anal-fin length	0.199	0.381	0.014
Upper caudal-lobe length	0.162	0.259	-0.031
Predorsal length	0.218	-0.122	-0.082
Prepectoral length	0.181	0.029	-0.025
Prepelvic length	0.228	-0.039	-0.030
Preanal length	0.220	-0.075	-0.052
Vent to anal-fin origin	0.325	- 0.242	-0.216
Pelvic-fin insertion to anal-fin origin	0.256	-0.130	-0.059
Snout length	0.186	0.076	0.072
Postorbital head length	0.170	-0.035	-0.087
Eye diameter	0.180	0.035	-0.023
Interorbital width	0.156	0.209	0.099
Median caudal-ray length	0.147	-0.168	-0.119
Cumulative variance (%)	64.6	19.6	7.4