| Main Ref. | Zander, C.D., 1986 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | other |
| Different appearance | always different morphology between mature adults |
| Different colors | different colors during breeding season only |
| Remarks |
| Striking features | none |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | scales embedded or partly/completely absent |
| Diagnosis |
Gill membranes not forming fold across isthmus. Tentacles on nasal openings and above eyes. No canine teeth in upper jaw. Dentaries joined by ligament. Frontals not covered by parietals. Spawning males chocolate-brown, with bulb glands on spiny anal fin rays. Lateral line continuous with branches but discontinuous posteriorly. |
| Ease of Identification |
| Lateral Lines | 1 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 | 0 |
| Gill clefts (sharks/rays only) | absent |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | other |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 13 - 14 |
| Soft-rays total | 17 - 20 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 2 - 2 |
| Soft-rays total | 19 - 23 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 14 | |
| Pelvics | Attributes more or less normal |
| Position jugular before origin of D1 | |
| Spines 1 | |
| Soft-rays 3 |