| Main Ref. | Eschmeyer, W.N. and B.B. Collette, 1966 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | cycloid scales |
| Diagnosis |
Lateral line more or less a continuous trough covered by thin membranous scales, usually lost during capture (Ref. 10482). Second preopercular spine well developed, sub equal or longer than first and third (Ref. 11015). Pectoral rays 20-25, with a mode of 21 in Hawaii, 22 in the eastern Atlantic, and 23 in the western Atlantic (Ref. 11015). Interorbital width 7-9 % SL, narrower than in S. longimanus (Ref. 11015). |
| 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 | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 12 - 14 |
| on upper limb | 6 - 7 |
| total | 19 - 21 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 1notched No |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 11 - 13 |
| Soft-rays total | 9 - 11 |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 4 - 6 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 20 - 25 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |