| Main Ref. | Carvalho, T.P., P. Lehmann A., E.H.L. Pereira and R.E. Reis, 2008 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | males alike females |
| Different colors | |
| Remarks | Urogenital papilla is positioned just after the anal opening in males (vs. absent in females). Adult males have a fleshy flap along the dorsal margin of first thickened pelvic-fin ray (vs. absent in females). This flap is smaller or absent in juvenile males. Males have longer pelvic-fin spine, extending up to the anal-fin origin (vs. spine never reaching anal-fin origin in females) (Ref. 78747). |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | bony plates or armour |
| Diagnosis |
Distinguished from all other species of Hisonotus, except Hisonotus notatus and Hisonotus leucofrenatus, by having anterior margin of the snout completely covered by odontodes vs. with a narrow or wide odontode-free; large plates in the abdominal median series, usually comprising one series of plates between the lateral abdominal plates vs. abdominal median series of plates small, with several plate series irregularly arranged between the lateral abdominal ones. Can be differentiated from Hisonotus notatus and Hisonotus leucofrenatus in the presence on the caudal fin of a series of light hyaline spots, forming a vertical light bar, vs. a rounded hyaline blotch or no hyaline area in the midventral portion of caudal fin (Ref. 78747). Description: Dorsal fin with seven branched rays; anal fin with five branched rays; pectoral fin with six unbranched rays; pelvic fin with five branched rays (Ref. 78747). |
| 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 | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | |
| Soft-rays total |
| Pectoral | Attributes |
| Spines | |
| Soft-rays | |
| Pelvics | Attributes |
| Position beneath origin of D1 | |
| Spines | |
| Soft-rays |