| Main Ref. | Fricke, R., 2006 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Males slightly darker colouration than females, especially in the anal and second dorsal fins, and a longer urogenital papilla. |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | flattened |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species belonging to the Callionymus kaianus species-group, has the following characters: 9 unbranched second dorsal and anal fin rays (last one divided at its base); pectoral fin rays 20-22; preopercular spine dorsally with a small antrorse point and two large points which are equal in length; first spine of the first dorsal fin subequal in length with the first ray of the second dorsal fin, mostly with a short filament; margin of the second dorsal fin distally straight in both sexes; caudal fin with no median filaments; third membrane of first dorsal fin with an ocellate black blotch, a basal branch of which may extend to the second membrane; anal fin with a distal dark margin; caudal fin with a large lower and a small upper black area (Ref. 78107). |
| 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 | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |