| Main Ref. | Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | none |
| Body shape lateral | elongated |
| Cross section | oval |
| Dorsal head profile | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Eye large, its diameter greater than snout length. First dorsal fin with moderately elongated filament; pectoral fins reaching to rear level or anal fin origin. Color is generally light brown, lighter ventrally (Ref. 1371). Body elongated; rather slender. Head slightly compressed; mouth large and broad. Lateral line is conspicuous, anteriorly slightly curved upward (Ref. 45854). Also Ref. 6606. |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | |
| Barbels | 1 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 17 - 19 |
| on upper limb | 7 - 8 |
| total | 24 - 27 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | extending over most of the back length |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 60 - 66 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 20 - 20 | |
| Pelvics | Attributes rays very elongated |
| Position jugular before origin of D1 | |
| Spines 0 | |
| Soft-rays |