| Main Ref. | Greenfield, D.W., J.E. Randall and P.N. Psomadakis, 2017 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| 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 characters: 2½ scales above lateral line to midbase of spinous portion of dorsal fin; anal fin origin beneath soft portion of dorsal fin; upper spiniform procurrent caudal-fin rays 5 and lower with 4; D XI (XII for all congeners except O. ovaloculus), with last dorsal-fin spine shortest; vomer with near-triangular patch of teeth; head length 2.5-2.65 in SL; dorsal profile nearly straight; pectoral-fin rays 16-17; lateral-line scales 27-28 (usually 27); gill rakers 7-8 + 13-14; depth of body 2.3-2.4 in SL; snout length 4.2-4.8 in HL; caudal peduncle slender, least depth 4.45-4.75 in HL; colour when fresh uniform red (Ref. 114923). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 27 - 28 |
| 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 | 13 - 14 |
| on upper limb | 7 - 8 |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 11 - 11 |
| Soft-rays total | |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 16 - 17 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |