| Main Ref. | Hoese, D.F., 1986 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | no special organs |
| Different appearance | males alike females |
| Different colors | males alike females |
| Remarks |
| Striking features | striking fins |
| Body shape lateral (shape guide) | fusiform / normal |
| Cross section | circular |
| Dorsal head profile | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | other (see diagnosis) |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Upper 6 or 7 pectoral rays free from membrane, with 4-7 branches; head very depressed; upper jaw protrudes; mental frenum usually with a straight or slightly curved margin; V frenum with a smooth margin; prepelvic area naked. TRB 23-24; PD 14-18. |
| Ease of Identification |
| Lateral Lines | 1 Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 48 - 50 |
| 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 | no striking attributes |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 7 - 7 |
| Soft-rays total | 10 - 10 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 1 - 1 |
| Soft-rays total | 8 - 8 |
| Pectoral | Attributes other (see diagnosis) |
| Spines 0 | |
| Soft-rays 22 - 23 | |
| Pelvics | Attributes joint, cup-like |
| Position thoracic | |
| Spines | |
| Soft-rays |