Main Ref. | Garavello, J.C.I. and F.A.A. Sampaio, 2010 |
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 |
This species is distinguished from all its congeners from Rio IguaƧu by the following set of characters: third infraorbital narrow and deep, not in contact with preopercle, leaving an ample naked area between these bones; teeth of premaxillary series straight; symphysal teeth of premaxillary internal series and dentary teeth tricuspid; teeth on premaxillary external series often tricuspid, with lateral cusps minute when pentacuspid; rest of teeth in premaxillary internal series pentacuspid; maxillary bone long, forming an obtuse angle with premaxillary bone when mouth is closed; dentary large and provided with 4 large tricuspidate, followed by 3-5 tricuspid or pentacuspid teeth (Ref. 85756). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | 41 - 44 |
Scales in lateral series | |
Scale rows above lateral line | 6 - 7 |
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 | 11 - 11 |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total | 18 - 20 |
Pectoral | Attributes |
Spines 1 | |
Soft-rays 11 - 11 | |
Pelvics | Attributes |
Position | |
Spines 1 | |
Soft-rays 7 - 7 |