| Picture Used | Derus_u3.jpg |
| Size (cm) | 20.5 FL, 22 |
| Sex | unsexed |
| Locality | |
| Total length (TL) | 556 pixels |
| Standard length | 88.8 % TL |
| Fork length | 93.0 % TL |
| Pre-anal length | 56.3 % TL |
| Pre-dorsal length | 31.3 % TL |
| Pre-pelvic length | 27.3 % TL |
| Pre-pectoral length | 26.6 % TL |
| Body depth | 20.9 % TL |
| Head length (HL) | 24.5 % TL |
| Eye diameter | 30.9 % HL |
| Pre-orbital length | 32.4 % HL |
| Aspect ratio of caudal fin | 3.45337 |
| Remarks |
