| Main Ref. | Kovačić, M. and U.K. Schliewen, 2008 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | fusiform / normal |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | ctenoid scales |
| Diagnosis |
This species is distinguished from G. nigricintus by the following characters: presence of pore ß; row g anteriorly ends more or less in front of row o; presence of transverse interorbital row p; snout with 4 median preorbital rows (vs. 3); 37-41 longitudinal scale rows (vs. 29-33); 22-24 predorsal scales (vs. 18); 9 anal fin rays (vs. 10-11); 17 pectoral fin rays (vs. 18-20); body overall light reddish-brown, with or without faint brown vertical bands (vs. dark brown bars contrasting strongly with light ground on flanks, fins, eyes, head and lips) (Ref. 75175). |
| 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 |
| Ventral | |
| Spines total | 7 - 7 |
| Soft-rays total | 11 - 11 |
| Adipose fin |
| Attributes | more or less truncate |
| Fins number | 1 |
| Spines total | 1 - 1 |
| Soft-rays total | 9 - 9 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 17 - 17 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 5 - 5 |