| Main Ref. | Myers, R.F., 1991 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | compressed |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Brown in color; 1st dorsal fin dark; front of 2nd dorsal and anal fins pale, back part dark; caudal fin pale; pectoral fins light to dusky, with dark bar; pelvic fins black (Ref. 2798). Eyes small (Ref. 1602); characterized further by separated pelvic fins; completely absent scales on head and body; second dorsal and anal fins without spines; depth of body 4.5-4.9 in SL (Ref. 90102). |
| 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 | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 6 - 6 |
| Soft-rays total | 14 - 15 |
| Adipose fin | absent |
| Attributes |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 13 - 14 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 16 - 17 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |