| Main Ref. | Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | none |
| Body shape lateral (shape guide) | elongated |
| Cross section | circular |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Diagnosis: A good diagnostic characteristic is a short diagonal line found just behind the eye (Ref. 44091). Head without cirri; lower end of gill opening usually opposite 4th or 5th pectoral fin ray; sensory pores in infraorbital an interorbital canals mostly 8 and 3 respectively; lateral line tubes 1 to 4 (Ref. 559). Description: No fleshy crest on top of head; median interorbital pore present in 98% of specimens (Ref. 4404). Dorsal fin with 11-13 spines and 20-23 soft rays; anal fin with 2 spines and 22-26 soft rays (Ref. 4404). Colouration: Body with faint, dusky bands anteriorly; males with a dusky spot distally at rear end of dorsal fin (Ref. 4404). |
| 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 | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1notched No |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 11 - 13 |
| Soft-rays total | 20 - 23 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 22 - 26 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 13 - 13 | |
| Pelvics | Attributes more or less normal |
| Position jugular beneath origin of D1 | |
| Spines 1 | |
| Soft-rays 2 - 2 |