| Main Ref. | Chen, I.-S., M. Kottelat and P.J. Miller, 1999 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | striking fins |
| Body shape lateral | fusiform / normal |
| Cross section | |
| Dorsal head profile | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Distinguished by the following combination: 2nd dorsal fin rays I/8-9; body with 5 or 6 lateral pale brown square blotches; and male with a horizontal grayish stripe on cheek and 4 small blackish-brown spots on ventral edge of cheek. Body with narrow brown stripes; anal fin with a simple and 8 branched rays (Ref. 43281). |
| Ease of Identification | easy to distinguish from other species. |
| 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 | 27 - 27 |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 6 - 6 |
| Soft-rays total | 9 - 10 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 9 - 9 |
| Pectoral | Attributes very large , lobe-like |
| Spines 0 | |
| Soft-rays 15 - 16 | |
| Pelvics | Attributes part of sucker-disc |
| Position | |
| Spines 1 | |
| Soft-rays 5 - 5 |