| Main Ref. | Machida, Y., 1993 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Thick skin covers the head and body. Scaly cheek. Snout, opercle and top of head without scales. Large, imbricate scales cover the body. Description: Characterized by violet greyish color; lighter ventrally and darker dorsally; caudal rays 12-14; vertebrae 14 + 37-42=51-56; eye 2.7-3.3 % SL; depth of body at anal fin origin 13.4-14.6 (mean 14.0) % SL; anterior nostril low on snout, next to upper lip; two pairs of pseudoclaspers, outer is wing-shaped with short backward directed tip, inner is about half as large with broadly expanded tip; no upper preopercular pore; posterior cheek with vertically elongate scale patch; opercular scales absent (Ref. 90102). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| 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 | 12 - 18 |
| Vertebrae | |
| preanal | 14 - 14 |
| total | 51 - 56 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 1 - 1 |
| Soft-rays total | 111 - 111 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 83 - 83 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 22 - 22 | |
| Pelvics | Attributes reduced to filaments |
| Position thoracic before origin of D1 | |
| Spines 0 | |
| Soft-rays 1 - 1 |