| Picture Used | Ampyl_u0.jpg |
| Size (cm) | 14.2 SL, 15.8 |
| Sex | unsexed |
| Locality | |
| Total length (TL) | 609 pixels |
| Standard length | 91.5 % TL |
| Fork length | 96.2 % TL |
| Pre-anal length | 60.6 % TL |
| Pre-dorsal length | 20.9 % TL |
| Pre-pelvic length | 0.0 % TL |
| Pre-pectoral length | 18.6 % TL |
| Body depth | 11.3 % TL |
| Head length (HL) | 17.6 % TL |
| Eye diameter | 16.8 % HL |
| Pre-orbital length | 29.9 % HL |
| Aspect ratio of caudal fin | 1.40535 |
| Remarks | Pelvic fin absent or rudimentary. |
