| Picture Used | OPOPH_U1.GIF |
| Size (cm) | |
| Sex | unsexed |
| Locality | |
| Total length (TL) | 1,124 pixels |
| Standard length | 99.3 % TL |
| Fork length | 100.0 % TL |
| Pre-anal length | 42.5 % TL |
| Pre-dorsal length | 16.3 % TL |
| Pre-pelvic length | 0.0 % TL |
| Pre-pectoral length | 11.3 % TL |
| Body depth | 4.6 % TL |
| Head length (HL) | 11.3 % TL |
| Eye diameter | 11.0 % HL |
| Pre-orbital length | 19.7 % HL |
| Aspect ratio of caudal fin | |
| Remarks | Pelvic fins abent; dorsal and anal fin confluent to caudal fin. |
