Main Ref. | Robins, C.R., R.H. Robins and M.E. Brown, 2012 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | compressed |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
This fine-scaled species have the following characteristics: pyloric caeca usually 5-6, typically 5 + 1; usually 3 rudimentary gill rakers on the upper arm of the first arch and 4-5 developed rakers on lower arm with 2-5 rudimentary rakers anteriorly, total gill rakers usually 11-12 (10-15); count of scale rows almost 30 between the occipital line and the dorsal-fin origin, 14-15 rows between the dorsal-fin origin and the lateral line, and about 255 lateral scale rows; dorsal-fin origin between neural spines 4-5 (rarely between 3-4); color of head and body rather uniformly dusky, silvery, or whitish along the belly; dorsal fin usually lacks a dark edge, and when present it is poorly developed; anal fin has an inconspicuous and narrow dark edge; orobranchial cavity usually pale, but the rear of the roof of the mouth may be dusky; esophagus blackish; stomach and hindgut pale (Ref. 91765). |
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 | 14 - 15 |
total | 66 - 70 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | 117 - 128 |
Adipose fin |
Attributes |
Fins number | |
Spines total | |
Soft-rays total | 97 - 108 |
Pectoral | Attributes |
Spines | |
Soft-rays 21 - 24 | |
Pelvics | Attributes |
Position | |
Spines | |
Soft-rays |