| Main Ref. | Meléndez, C., R. and D.F. Markle, 1997 |
| 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 |
Slightly broad body with small, deciduous scales. Anal fin with depression at its middle length. Posterior end of dorsal and anal fins with a black triangle; caudal fin end with a black vertical band. |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | |
| Scales in lateral series | 145 - 166 |
| Scale rows above lateral line | 18 - 18 |
| Scale rows below lateral line | 35 - 36 |
| Scales around caudal peduncle | |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | 12 - 15 |
| on upper limb | 4 - 6 |
| total | 16 - 21 |
| Vertebrae | |
| preanal | 15 - 16 |
| total | 38 - 42 |
| Attributes | |
| Fins number | 2 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 60 - 68 |
| Adipose fin |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total | 52 - 59 |
| Pectoral | Attributes |
| Spines | |
| Soft-rays 25 - 27 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays 2 - 2 |