| Main Ref. | Matsuura, K., 1989 |
| 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 | terminal |
| Type of scales | |
| Diagnosis |
Diagnosis: Extremely small size at maturity (1.5 cm SL). Prominently elevated dorsal and ventral profiles. Extremely long bristles on caudal peduncle of male, projecting posteriorly to behind middle of caudal fin. Low fin ray counts (D.22 to 24; A.20 to 22; P.10) (Ref. 35708). Description: Body short and very deep. Teeth uneven, pointed distally. Head and body pale brown, covered with many small brown spots (Ref. |
| 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 | 20 - 20 |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 2 - 2 |
| Soft-rays total | 22 - 24 |
| Adipose fin |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | |
| Soft-rays total | 20 - 22 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 10 - 10 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |