| Main Ref. | Paugy, D., 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | striking type of mouth |
| Body shape lateral | elongated |
| Cross section | circular |
| Dorsal head profile | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | other (see Diagnosis) |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Diagnosis: body elongate; upper and lower jaws extremely long, forming a stout beak armed with strong teeth; nostrils in depression before eyes (nasal pit); gill rakers absent; pelvic fins abdominal; 13-16 dorsal-fin rays; no lateral keel on caudal peduncle; caudal fin emarginated (Ref. 57228). Description: anterior dorsal- and anal-fin rays forming prominent lobes; 113-137 predorsal scales (Ref. 57228). Coloration: back bluish-green, belly silvery; fine blue line can be seen along sides (Ref. 57228). |
| Ease of Identification |
| Lateral Lines | 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 | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 0 - 0 |
| on upper limb | 0 - 0 |
| total | 0 - 0 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 0 - 0 |
| Soft-rays total | 13 - 16 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 14 - 18 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 10 - 12 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines 0 | |
| Soft-rays 6 - 6 |