| Main Ref. | Randall, J.E., 2002 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | oval |
| Dorsal head profile | more or less straight |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | ctenoid scales |
| Diagnosis |
Ocular side without large, prominent dark blotches. Pectoral fins absent. Caudal peduncle present; branched fin rays 14. Dorsal- and anal-fin rays with a thin, membranous ridge on some rays, not extending more than halfway to ray tip. Head length 4.2-4.6 in SL; body thickness 2.5-3 in HL (Ref. 48239). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 76 - 80 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | 29 - 33 |
| Scale rows below lateral line | 28 - 33 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 0 - 0 |
| Vertebrae | |
| preanal | |
| total | 35 - 36 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 68 - 75 |
| Adipose fin |
| Attributes | more or less truncate; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total | 47 - 50 |
| Pectoral | Attributes absent |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes more or less normal |
| Position | |
| Spines | |
| Soft-rays 5 - 5 |