| Main Ref. | Skelton, P.H., 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Description: Body spindle-shaped and streamlined (Ref. 52193). Head pointed; eyes large; mouth large; lower jaw extending to below orbit (Ref. 52193). Mature males with tubercles on lower jaw, paired fins and on scales behind the pelvic fins (Ref. 52193). Dorsal fin with 2-3 unbranched and 8-9 branched rays; anal fin with 3 unbranched and 11-13 branched rays; dorsal-fin origin behind pelvic fins; anal fin large, elongated in front in males (Ref. 26673, 52193). Scales in lateral line 40-44, usually 14 scales around caudal peduncle; lateral line dips to lower half of body (Ref. 52193). Colouration: Silvery with 7-9 blue-black bars along sides; black hind edge and corner to dorsal fin (Ref. 52193). Males become flushed with orange-red on head, body and fins in breeding dress (Ref. 52193). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 40 - 44 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | 12 - 15 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 8 - 10 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 0 - 0 |
| Soft-rays total | 10 - 11 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 14 - 16 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 12 - 15 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 9 - 9 |