| Picture Used | Hyaff_u1.gif |
| Size (cm) | |
| Sex | unsexed |
| Locality | |
| Total length (TL) | 600 pixels |
| Standard length | 84.3 % TL |
| Fork length | 100.0 % TL |
| Pre-anal length | 0.0 % TL |
| Pre-dorsal length | 16.7 % TL |
| Pre-pelvic length | 43.3 % TL |
| Pre-pectoral length | 20.3 % TL |
| Body depth | 16.7 % TL |
| Head length (HL) | 16.2 % TL |
| Eye diameter | 12.4 % HL |
| Pre-orbital length | 49.5 % HL |
| Aspect ratio of caudal fin | 0.561051 |
| Remarks | Anal fin absent in this genus |
