| Main Ref. | Krupp, F., 1988 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks | Males with much longer pectoral fins and all other fins have greater mean lengths than in females. |
| Striking features | |
| Body shape lateral | |
| Cross section | oval |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This species is distinguished by the following characters: D 8 branched fin rays; lateral line scales 30-34 (Ref. 46647); differs from its close relative, G. barreimiae by having a plain or almost plain, greenish or black flank pattern (vs. strongly mottled), with a faint dark-green lateral stripe present in some individuals (vs. absent), no orange midlateral scales on the flank (vs. present), no orange spot at the upper opercle (vs. present), dorsal-fin tip not white (vs. white), and with gill rakers on the lower limb of the first gill arch 12-14 (vs. 15-18) (Ref. 128817). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 30 - 34 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | 12 - 15 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 12 - 14 |
| 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 |