| Picture Used | Rhlun_u0.jpg |
| Size (cm) | 18 SL, 21.1 |
| Sex | unsexed |
| Locality | |
| Total length (TL) | 592 pixels |
| Standard length | 88.3 % TL |
| Fork length | 100.0 % TL |
| Pre-anal length | 61.7 % TL |
| Pre-dorsal length | 38.9 % TL |
| Pre-pelvic length | 49.5 % TL |
| Pre-pectoral length | 35.5 % TL |
| Body depth | 37.0 % TL |
| Head length (HL) | 35.1 % TL |
| Eye diameter | 11.5 % HL |
| Pre-orbital length | 81.3 % HL |
| Aspect ratio of caudal fin | 2.10247 |
| Remarks | Pelvic fins absent; pelvic spine present. |
