Main Ref. | Scott, W.B. and E.J. Crossman, 1973 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Distinguished by the presence of an adipose fin; small weak spines in the dorsal and anal spines; rough ctenoid scales; and pectoral fins reaching well behind the bases of pelvic fins (Ref. 27547). Gill rakers short, stubby mounds with small teeth; lateral line nearly straight (Ref. 27547). Pale yellowish to silvery, often almost transparent; with a row of about 10 dark spots along midline of back, 10 or 11 spots along lateral line, and another row of spots high on sides above lateral line; fins transparent (Ref. 27547). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | 41 - 60 |
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 | 8 - 13 |
Vertebrae | |
preanal | |
total | 33 - 36 |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 1 - 3 |
Soft-rays total | 9 - 11 |
Adipose fin | present |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 1 - 1 |
Soft-rays total | 5 - 9 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 12 - 15 | |
Pelvics | Attributes more or less normal |
Position abdominal beneath origin of D1 | |
Spines 0 | |
Soft-rays 8 - 9 |