| Main Ref. | Roberts, T.R. and C.J. Ferraris Jr., 1998 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | compressed |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Dorsal part of thoracic region with 4 black stripes. Median longitudinal groove extending to end of occipital process. Maxillary barbel longer than head. Dorsal-fin spine produced into long filament. Pectoral-fin spine with without filamentous projection. Anal fin with 3 simple rays, 11 branched rays. Eye diameter shorter than snout length. Isthmus with no finger-like projections (Ref. 40780). Gill opening extending to belly and brachial membrane connected to isthmus (Ref. 45563). |
| 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 - 9 |
| on upper limb | 3 - 3 |
| total | |
| Vertebrae | |
| preanal | |
| total | 38 - 39 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 1 - 1 |
| Soft-rays total | 6 - 6 |
| Adipose fin | present |
| Attributes | forked; more or less normal |
| Fins number | |
| Spines total | 3 - 3 |
| Soft-rays total | 10 - 10 |
| Pectoral | Attributes more or less normal |
| Spines 1 | |
| Soft-rays 8 - 9 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays |