| Main Ref. | De Vos, L. and D.F.E. Thys van den Audenaerde, 1990 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Diagnosis: Last unbranched ray of the dorsal fin hardened and with posterior side toothed (Ref. 27628). Presence of a brilliant orange spot on the operculum is characteristic for this species (Ref. 27628). Description: Fairly deep-bodied; mouth with 2 pairs of barbels (Ref. 52193). Dorsal fin with 3 spines and 7-8 soft branched rays; anal fin with 3 unbranched and 5 branched rays (Ref. 27628, 52193). Scales in lateral line 23-28, 11-12 around caudal peduncle (Ref. 27628, 52193). Colouration: Light brown above, silvery on the sides and below; a bright yellow, orange or red spot on each gill cover; lateral line pores are marked with black chevrons; a black zigzag stripe ending in a spot at end of caudal peduncle is usually present (Ref. 52193). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 23 - 28 |
| Scale rows above lateral line | 4.5 - 4.5 |
| Scale rows below lateral line | 2.5 - 2.5 |
| Scales around caudal peduncle | 11 - 12 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 3 - 3 |
| Soft-rays total | 7 - 8 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 8 - 8 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays |