| Main Ref. | Allen, G.R. and P.J. Unmack, 2008 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
This rainbowfish is distinguished by the following set of characters: D IV to VI-I,11-14; A I,19-22; pectoral rays 13 or 14; lateral scales 31-33 (often 33); colour generally brownish on back (blue in life), pale tan or whitish below with blackish (bluish black in life) midlateral stripe from upper edge of preopercle to caudal-fin base, covering about one and a half scale rows for most of its length and more strongly contrasted in males (Ref. 74958). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 31 - 33 |
| 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 | 13 - 15 |
| on upper limb | 1 - 3 |
| total | 14 - 18 |
| Vertebrae | |
| preanal | |
| total |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 4 - 6 |
| Soft-rays total | 11 - 14 |
| Adipose fin |
| Attributes |
| Fins number | 1 |
| Spines total | 1 - 1 |
| Soft-rays total | 19 - 22 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 13 - 14 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 5 - 5 |