Main Ref. | De Vos, L. and L. Seegers, 1998 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks | Males larger than females and with a more robust head and slightly better developed (larger) unpaired fins and pelvic fins (Ref. 52307). |
Striking features | |
Body shape lateral | |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Description: slender, yet relatively deep-bodied; snout rounded; frontal profile slightly concave; caudal fin truncate to subtruncate; males larger than females and with a more robust head and slightly better developed (larger) unpaired fins and pelvic fins; pelvic fins rounded in both sexes (Ref. 52307). Cheek squamation, 1-3 rows of scales; chest squamation, minute, deeply embedded, often with bilaterally scaleless area; nape and nuchal scales smaller than polyacanthus, deeply embedded, appearing naked (Ref. 26626). Coloration: body grayish-brown to olive, paler ventrally; dark longitudinal band at mid-body; at times 7 dark vertical bars may be visible; black stripe from eye to corner of mouth, another from posterior edge of eye to posterior edge of opercle; males without egg spots in anal fin; when courting, entire body paler, nearly yellowish (Ref. 52307). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | 29 - 33 |
Scales in lateral series | |
Scale rows above lateral line | |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | 7 - 10 |
Vertebrae | |
preanal | |
total | 27 - 30 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal 0 |
Ventral 0 | |
Spines total | 16 - 21 |
Soft-rays total | 9 - 9 |
Adipose fin | absent |
Attributes | more or less truncate |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 6 - 8 |
Pectoral | Attributes |
Spines 0 | |
Soft-rays 14 - 15 | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |