| Main Ref. | Boulenger, G.A., 1911 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Description: Snout rounded, 3 times in length of head; mouth terminal or subinferior; lips moderate, interrupted on chin; barbels 2 on each side, subequal, 1.3 to 1.5 times diameter of eye (Ref. 2988). Dorsal fin with 4 unbranched rays and 7-8 branched rays, equally distant from occiput and from root of caudal, or a little nearer former; last simple ray very strong, bony, strongly serrated, serrated portion 50-66% of head length; anal fin with 3 unbranched rays and 5 branched rays, reaching or nearly reaching caudal fin (Ref. 2988). Scales radiately striated; 48-51 lateral line scales; 5.5-7 scales between lateral line and ventral fin; 20-22 scales around caudal peduncle (Ref. 2988). Colouration: Brownish or greyish above, whitish beneath (Ref. 2988). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 48 - 51 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | 5.5 - 7 |
| Scales around caudal peduncle | 20 - 22 |
| Barbels | 4 |
| 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 | 0 - 0 |
| Soft-rays total | 11 - 12 |
| 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 beneath origin of D1 | |
| Spines | |
| Soft-rays |