| Main Ref. | Jerep, F.C., O.A. Shibatta and C.H. Zawadzki, 2007 |
| 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 | |
| Type of scales | |
| Diagnosis |
Differs from all remaining Hypostomus species with light spots on a darker background by two independent characters: teeth with two symmetrical cusps (vs. two asymmetrical cusps in Hypostomus albopunctatus, Hypostomus lexi, Hypostomus margaritifer, Hypostomus meleagris, Hypostomus microstomus, Hypostomus regani, Hypostomus scaplyceps, Hypostomus strigaticeps, Hypostomus tietensis, and Hypostomus variipictus), and each mandibular ramus with 122-267 teeth, mean = 196.8 (vs. 127 teeth at most in Hypostomus ternetzi, the congener with highest tooth number in each mandibular ramus from upper rio Paraná basin) (Ref. 75037). |
| 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 | |
| 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 | |
| Soft-rays total | |
| Adipose fin | present |
| Attributes |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position abdominal | |
| Spines | |
| Soft-rays |