| Main Ref. | Bianco, P.G., 1998 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Breeding males possess small tubercles on head and predorsal area (Ref. 59043). |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Diagnosed from its congeners in Apennine Peninsula by the possession of the following characters: lateral line with 47-62 scales; back plain, sides with conspicuous dark spots; paired fins with spots; peritoneum grey; last simple dorsal ray feebly spinous, finely serrated posteriorly in small individuals; ray weak and serrae tend to disappear in individuals over about 15-20 cm SL; lower lip with a median swollen pad; and scales with free posterior part rounded (Ref. 59043). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 47 - 63 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 10 - 15 |
| Scale rows below lateral line | 7 - 10 |
| Scales around caudal peduncle | 22 - 28 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 7 - 13 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 8 - 8 |
| Adipose fin | absent |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 8 - 8 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays |