Table 3 in New species of Eugerres from the Usumacinta Province, México and Guatemala with a redescription of E. mexicanus (Steindachner, 1863) (Teleostei: Gerreidae)

Table 3. Character loading on principal components I-II for 16 measurements taken on 42 specimens of E. castroaguirrei and 125 of E. mexcanus from the Grijalva-Usumacinta River Basin. Bold values represent the variables that loaded most heavily on PC-I and PC-II.
Morphometric featuresPC IPC IIStandard lengthBody depth0.0585730.002153Head height0.0559000.008311Snout length0.0503340.053506Orbit diameter0.0479590.007944Postorbital length0.0564440.027117Predorsal length0.0356460.018372Distance between the tips of the second dorsal and second anal spines0.0447800.046350Length of dorsal-fin base0.0582690.006356Second dorsal spine length0.0377100.188817Third dorsal spine length0.0417360.169595Caudal peduncle height0.0542440.005066Second anal spine length0.0352010.212941Third anal spine length0.0411250.148286Caudal peduncle length0.0520420.016911Length of anal-fin base0.0560860.002476Pelvic-fin length0.0550640.000120Pectoral-fin length0.0512030.004267Head length0.0568980.027840Upper jaw length0.0543690.037072Interorbital length0.0564180.016499