| Main Ref. | Costa, W.J.E.M., 2003 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | compressed |
| Dorsal head profile | more or less straight |
| Type of eyes | more or less normal |
| Type of mouth/snout | more or less normal |
| Position of mouth | terminal |
| Type of scales | cycloid scales |
| Diagnosis |
Caudal peduncle of female with black spots. Male's anal fin with gray to black distal stripe, iridescent dots restricted to posterior portion of the fin, anterior part pink and posterior yellow; basihyal broad, 70-95% in length; and, second pharyngobranchial teeth,5-10. Dorsal-fin rays 22-25 in male, 15-19 in female; anal-fin rays 22-24 in male, 18-22 in female; caudal-fin rays 23-25, caudal fin subtruncate in male, rounded in female. Males possess pronounced pectoral-fin contact organs and elongated brilliant spots on anterobasal part of dorsal fin (Ref. 49550). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | 28 - 29 |
| Pored lateral line scales | |
| Scales in lateral series | |
| Scale rows above lateral line | |
| Scale rows below lateral line | |
| Scales around caudal peduncle | 16 - 16 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 11 - 12 |
| on upper limb | 4 - 4 |
| total | 15 - 16 |
| Vertebrae | |
| preanal | |
| total | 29 - 31 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 15 - 25 |
| Adipose fin |
| Attributes | other (see remark); more or less normal |
| Fins number | 1 |
| Spines total | |
| Soft-rays total | 18 - 24 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 12 - 13 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 6 - 6 |