| Main Ref. | Mochizuki, K. and K. Shirakihara, 1983 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | oval |
| Dorsal head profile | clearly convex |
| Type of eyes | other (see remarks) |
| Type of mouth/snout | other (see remarks) |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Well-developed opercular spine present. Body is noticeably flattened laterally, its greatest width is 70-80 percent of greatest depth. Length of the second spine on the first dorsal fin is 23-26 percent of head length (Ref. 31632). Eighth rib below tenth vertebra absent. Ctenoid scales on lateral line; about 12-14 transverse scales below lateral line. Eyes large, oval; mouth oblique (Ref. 35777). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 49 - 49 |
| 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 | 24 - 25 |
| Vertebrae | |
| preanal | |
| total | 25 - 25 |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 8 - 8 |
| Soft-rays total | 10 - 10 |
| Adipose fin |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 9 - 9 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 18 - 20 | |
| Pelvics | Attributes more or less normal |
| Position thoracic before origin of D1 | |
| Spines 1 | |
| Soft-rays 5 - 5 |