| Main Ref. | Boulenger, G.A., 1909 |
| 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: Depth of body 3.6 times in total length, length of head 4.5 times in total length (Ref. 1878). Caudal peduncle 3 times as long as adeep, a little shorter than head (Ref. 1878). Head nearly as long as deep, with curved upper profile; snout 2/7 length of head; chin with a globular dermal appendage; teeth bicuspid, 5 in upper jaw, 6 in lower jaw; eye smell, half length of snout, 2/5 interorbital width (Ref. 1878). Dorsal fin with 21-24 rays, originating above 10th ray of anal fin, its length 2.5 times in its distance from head; anal fin with 28-31 rays, equally distant from base of pelvic fin and from base of caudal fin; pectoral fin obtusely pointed, 3/4 length of head, twice length of pelvic fin, reaching a little beyond base of latter; caudal fin with obtusely pointed lobes (Ref. 1878). Scales in lateral line 62-65, scales around caudal peduncle 12 (Ref. 1878). Colouration: Silvery, brownish on the back; a dark brown vertical bar on the body below origin of dorsal fin (Ref. 1878). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 62 - 65 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | 12 - 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 | 0 - 0 |
| Soft-rays total | 21 - 24 |
| Adipose fin | absent |
| Attributes | forked; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 28 - 31 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays |