| Picture Used | Opelo_u2.jpg |
| Size (cm) | 6.8 SL, 8.8 |
| Sex | unsexed |
| Locality | |
| Total length (TL) | 546 pixels |
| Standard length | 82.4 % TL |
| Fork length | 88.5 % TL |
| Pre-anal length | 50.4 % TL |
| Pre-dorsal length | 31.3 % TL |
| Pre-pelvic length | 26.4 % TL |
| Pre-pectoral length | 24.0 % TL |
| Body depth | 28.0 % TL |
| Head length (HL) | 24.0 % TL |
| Eye diameter | 32.1 % HL |
| Pre-orbital length | 16.0 % HL |
| Aspect ratio of caudal fin | 1.95819 |
| Remarks |
