| Main Ref. | Hensley, D.A., 1997 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Body on ocular side brownish with darker spots and blotches; a series of blotches along dorsal and ventral body margins; elongated anterior dorsal-fin rays white, remainder of dorsal fin, anal fin, and caudal fin brown; pectoral fin dark. Blind side of body whitish. First 12-15 (rarely 10-11) dorsal- fin rays greatly elongated. Pectoral fin on blind side absent or rudimentary. Pelvic fin on eyed side elongated. Caudal fin with 16 unbranched rays and rounded margin. Description: Characterized further by having ctenoid scales on eyed side, weakly ctenoid to cycloid on blind side; eyes close together; depth of body 2.5-3.0 in SL (Ref. 90102). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 63 - 82 |
| 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 - 11 |
| on upper limb | 2 - 5 |
| total | 9 - 16 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | origin on head, nearly above eye |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 73 - 78 |
| Adipose fin | absent |
| Attributes | other (see remark) |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 49 - 60 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 4 - 4 | |
| Pelvics | Attributes other (see diagnosis) |
| Position | |
| Spines 0 | |
| Soft-rays 5 - 5 |