Main Ref. | Myers, R.F., 1991 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | fusiform / normal |
Cross section | compressed |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Plain brown or olivaceous in color, paler below; subadults with black caudal rays, narrow margins and white caudal filaments; pectoral fins with white distal margins (Ref. 3145). Description: Characterized further by adults having long, tapering horn on forehead; pair of bony plates on caudal peduncle that develop knife-like keels in adults; juveniles and subadult with white ring around caudal peduncle (Ref. 90102). |
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 | 9 - 10 |
on upper limb | 4 - 4 |
total | 13 - 14 |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 5 - 5 |
Soft-rays total | 28 - 29 |
Adipose fin | absent |
Attributes |
Fins number | 1 |
Spines total | 2 - 2 |
Soft-rays total | 27 - 28 |
Pectoral | Attributes |
Spines 0 | |
Soft-rays 17 - 19 | |
Pelvics | Attributes |
Position | |
Spines 1 | |
Soft-rays 3 - 3 |