| Main Ref. | Randall, J.E., E.A. Lachner and T.H. Fraser, 1985 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | compressed |
| 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 | cycloid scales |
| Diagnosis |
Interspaces between dark bars on body faintly reddish; soft rays of median fins reddish. Anterior nostril with very short darkly pigmented posterior flap. Caudal shape rhomboidal. Flat interorbital space. 23-25 scales in longitudinal series. Description: Characterized by slender body; base of caudal fin long; fan-shaped caudal fin; second dorsal and anal fins long; greatest depth of body 3.8-4.5 in SL (Ref. 90102). |
| Ease of Identification |
| Lateral Lines | 2 Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 23 - 25 |
| Scale rows above lateral line | 1.5 - 1.5 |
| Scale rows below lateral line | 7 - 7 |
| Scales around caudal peduncle | 14 - 15 |
| Barbels | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 16 - 18 |
| on upper limb | 6 - 6 |
| total | 22 - 24 |
| Vertebrae | |
| preanal | 10 - 10 |
| total | 24 - 24 |
| Attributes | no striking attributes |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 7 - 7 |
| Soft-rays total | 9 - 10 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 9 - 9 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 15 - 16 | |
| Pelvics | Attributes more or less normal |
| Position thoracic before origin of D1 | |
| Spines 1 | |
| Soft-rays 5 - 5 |