| Picture Used | Arcoq_u0.jpg |
| Size (cm) | 28.1 TL |
| Sex | unsexed |
| Locality | |
| Total length (TL) | 648 pixels |
| Standard length | 98.5 % TL |
| Fork length | 98.5 % TL |
| Pre-anal length | 58.5 % TL |
| Pre-dorsal length | 16.7 % TL |
| Pre-pelvic length | 0.0 % TL |
| Pre-pectoral length | 18.7 % TL |
| Body depth | 6.6 % TL |
| Head length (HL) | 17.6 % TL |
| Eye diameter | 21.9 % HL |
| Pre-orbital length | 20.2 % HL |
| Aspect ratio of caudal fin | |
| Remarks | Body eel-like; pelvic fin absent; dorsal and anal fins confluent to cauadal fin; CA and CH cannot be measured |
