| Main Ref. | Kottelat, M. and P.K.L. Ng, 2005 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Dorsal fin with 11-13 spines. Anal fin with 11-12 spines and 10-11 segmented rays. In live male, dorsal, anal and caudal fins with a narrow greenish-bluish margin and a black subdistal band bordered proximally by a blue iridescent band, very narrow in caudal, wider (especially anteriorly) in anal and dorsal. Proximal part of dorsal and anal black along body, grading into red distally, usually forming a conspicuous black blotch at posterior end of dorsal base. Proximal part of caudal fin deep black, grading into bright red patch. Pelvic fin and filament blue (Ref. 56232). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 28 - 30 |
| 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 | 11 - 13 |
| Soft-rays total | 6 - 8 |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | 11 - 12 |
| Soft-rays total | 10 - 11 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 12 - 13 | |
| Pelvics | Attributes |
| Position | |
| Spines 1 | |
| Soft-rays 5 - 5 |