| Main Ref. | Darumas, U. and P. Tantichodok, 2002 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Teeth in both jaws in a single row; snout, isthmus and interorbital region with no scales; frenum strongly prominent; pelvic fins completely joined by membrane for entire length to form a disk; dorsal fins well separated; first dorsal brownish red with a white margin, its margin rounded; second dorsal fin with a black stripe in middle of fin; dark brown and pale yellow spots on head and trunk (Ref. 49729). Caudal fin asymmetrically rounded (Ref. 49729). |
| 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 | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 9 - 10 |
| Soft-rays total | 10 - 10 |
| Adipose fin | absent |
| Attributes | other (see remark) |
| Fins number | 1 |
| Spines total | 1 - 1 |
| Soft-rays total | 8 - 10 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 14 - 15 | |
| Pelvics | Attributes joint, cup-like |
| Position thoracic before origin of D1 | |
| Spines | |
| Soft-rays |