| Main Ref. | Moyon, W.A. and L. Arunkumar, 2019 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinguished by the following: it differs from O. barnoides in having larger eyes 6.9-8.5% SL (vs.5.3-6.5) and a longer prepelvic 49.9-51.7% SL (vs.47-48); differs from O. lairokensis in having more predorsal scales 23-24 (vs.21), larger eye 28.4-32.5% HL (vs.26.8-27.4), and wider interorbital 36.1-39.0% HL (vs. 27.3-33.3); differs from O. ngawa in having larger diameter 28.4-32.5% HL (vs.21.3-25.8), longer anal-fin 22.5-23.9% SL (vs.13.8-16.4) and with unequal caudal fin lobes (vs. equal) (Ref. 126953). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 43 - 45 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total | 40 - 40 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |