| Main Ref. | Birindelli, J.L.O. and H.A. Britski, 2009 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Presence of eight to ten midlateral round dark blotches and 20-40 smaller ones forming one or two irregular series above and two or three irregular series below midlateral blotches; dental formula 3/4, sub-inferior to inferior mouth; 37 to 38 lateral line scales; 4/3-4 transversal series of scales; 12 circumpeduncular scale series; and head length 20.9-23.6, mean 22.3% SL (Ref. 80699). Diagnosis: Dorsal fin ii, 10; Anal fin ii,8; Pectoral fin i,13, 14, 15 or 16; Pelvic fin i,8 (Ref. 80699). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | 37 - 38 |
| Scales in lateral series | |
| Scale rows above lateral line | 4 - 4 |
| Scale rows below lateral line | 3 - 3.5 |
| Scales around caudal peduncle | 12 - 12 |
| Barbels | |
| Gill clefts (sharks/rays only) | |
| Gill rakers | |
| on lower limb | |
| on upper limb | |
| total | |
| Vertebrae | |
| preanal | |
| total | 35 - 36 |
| Attributes | no striking attributes |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 12 - 12 |
| Adipose fin | present |
| Attributes | forked |
| Fins number | |
| Spines total | |
| Soft-rays total | 10 - 10 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 14 - 17 | |
| Pelvics | Attributes more or less normal |
| Position abdominal behind origin of D1 | |
| Spines | |
| Soft-rays 9 - 9 |