| Main Ref. | Robins, C.R., R.H. Robins and M.E. Brown, 2012 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | eel-like |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is characterized by the following: usual number of vertebrae, precaudal 14 (rarely 13), caudal 53-54 (55), total 81-82 (80-84); number of fin rays, dorsal 123-131, anal 103-109, pectoral usually 20-21 (19-24); pyloric caeca usually 6 (5-7) in 2 whorls, usually 5-6+1; first gill arch with rudimentary rakers 4 (3-6) on the upper arm, 8 (7-10) developed rakers on the lower limb, 5-9 rudimentary rakers anteriorly on the first arch; total rakers 16-19; dorsal-fin origin often between neural spines 4-5 (11 specimens) and rarely between 2-3 or 3-4 (1 specimen) (Ref. 91765). |
| 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 | 7 - 10 |
| on upper limb | 3 - 6 |
| total | 16 - 19 |
| Vertebrae | |
| preanal | 13 - 14 |
| total | 80 - 84 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 123 - 131 |
| Adipose fin | absent |
| Attributes |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 103 - 109 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 19 - 24 | |
| Pelvics | Attributes |
| Position | |
| Spines 0 | |
| Soft-rays 2 - 2 |