| Main Ref. | Costa, W.J.E.M. and G.C. Brasil, 1990 |
| Appearance refers to | Male; Female |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | short and / or deep |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Males have four red bars on the sides of the head (the first one crossing the eye, the second one close to the posterior margin of the orbit, and two on the preopercular region) and black spots in the basal region of the dorsal fin. Males have anal fin base orange. Pelvic fin reduced (Ref. 26744). |
| 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 | 12 - 12 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total |
| Attributes | no striking attributes |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 12 - 17 |
| Adipose fin |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | |
| Soft-rays total | 17 - 20 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes other (see remarks) |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays |