| Main Ref. | Randall, J.E., G.R. Allen and R.C. Steene, 1990 |
| 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 | 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 | superior |
| Type of scales | |
| Diagnosis |
Greatly prolonged, beak-like lower jaw; upper jaw short, triangular and without scales; preorbital ridge absent; total number of gill rakers on first gill arch 25-36; pectoral fins short, not reaching past nasal pit when folded forward; with 3-9 (usually 4-6) vertical bars on the sides. (Ref. 9843). Color bluish dorsally, silvery on sides. 36-41 predorsal scales. Lower lobe of caudal fin longer than upper lobe. Dorsal and anal fins located posteriorly. Description: Characterized by dorsal fin yellowish; blue lower lobe and yellowish upper lobe caudal fin; tip of lower jaw, red; depth of body 5.7-7.3 in SL; well developed anterior lobe of dorsal fin; width of body contained 1.3-1.8 in its depth; lower lobe of caudal fin longer than upper (Ref. 90102). |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | 50 - 55 |
| 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 | 19 - 26 |
| on upper limb | 6 - 10 |
| total | 25 - 36 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 12 - 15 |
| Adipose fin | absent |
| Attributes | forked; asymmetric |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 10 - 12 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 11 - 13 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays |