| Main Ref. | Rau, N. and A. Rau, 1980 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | no special organs |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | none |
| Body shape lateral | short and / or deep |
| Cross section | compressed |
| Dorsal head profile | clearly convex |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | ctenoid scales |
| Diagnosis |
Body brown; a round black spot at upper gill opening; dark blue line just below the bases of dorsal and anal fins. Dorsal fin with soft part having longer base than spinous part. Minute scales. Gill rakers in anterior row 19-23, posterior 22-24. A dark brown area surrounding the caudal spine. Large males develop highly convex foreheads that extend beyond the mouth (Ref. 1602). Description: Characterized further by having orange rim around eye; distinctive dark spot behind eye; orange bar just behind rear margin of head; dorsal fin, orange; upper and lower margins on caudal fin, pale; caudal spine with length about 2.0 in head length; greatest depth of body 1.9-2.0 in SL (Ref. 90102). |
| 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 | 0 |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | 19 - 23 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | extending over most of the back length |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 9 - 9 |
| Soft-rays total | 26 - 28 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 3 - 3 |
| Soft-rays total | 25 - 26 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 17 - 17 | |
| Pelvics | Attributes more or less normal |
| Position thoracic behind origin of D1 | |
| Spines 1 | |
| Soft-rays 5 - 5 |