| Picture Used | RYMAC_U0.JPG |
| Size (cm) | 5 SL |
| Sex | unsexed |
| Locality | |
| Total length (TL) | 583 pixels |
| Standard length | 80.8 % TL |
| Fork length | 100.0 % TL |
| Pre-anal length | 55.4 % TL |
| Pre-dorsal length | 35.8 % TL |
| Pre-pelvic length | 24.0 % TL |
| Pre-pectoral length | 26.8 % TL |
| Body depth | 24.2 % TL |
| Head length (HL) | 28.0 % TL |
| Eye diameter | 20.2 % HL |
| Pre-orbital length | 21.5 % HL |
| Aspect ratio of caudal fin | 1.47408 |
| Remarks |
