| Picture Used | Opopl_u2.jpg |
| Size (cm) | 5.4 SL, 6.8 |
| Sex | unsexed |
| Locality | |
| Total length (TL) | 582 pixels |
| Standard length | 83.0 % TL |
| Fork length | 100.0 % TL |
| Pre-anal length | 43.6 % TL |
| Pre-dorsal length | 26.5 % TL |
| Pre-pelvic length | 24.4 % TL |
| Pre-pectoral length | 22.0 % TL |
| Body depth | 19.1 % TL |
| Head length (HL) | 21.6 % TL |
| Eye diameter | 24.6 % HL |
| Pre-orbital length | 19.8 % HL |
| Aspect ratio of caudal fin | 0.804246 |
| Remarks |
