| Main Ref. | Keith, P. and J. Allardi (coords.), 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Distinguished from congeners in Europe by the following combination of characters: 1-2 enlarged canine teeth in anterior part of each jaw; second dorsal fin with 18-22½ branched rays; and 80-97 scales on lateral line (Ref. 59043). Description: Long slender body, without cross-bars. No spines on the gill cover (Ref. 35388). Caudal fin with 17 soft rays (Ref. 40476). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 80 - 97 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 13 - 16 |
| Scale rows below lateral line | 16 - 24 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total | 45 - 47 |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 13 - 20 |
| Soft-rays total | 18 - 24 |
| Adipose fin | absent |
| Attributes | forked |
| Fins number | 1 |
| Spines total | 2 - 3 |
| Soft-rays total | 10 - 14 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 15 - 17 | |
| Pelvics | Attributes more or less normal |
| Position thoracic | |
| Spines 1 | |
| Soft-rays 5 - 5 |