Main Ref. | Whitehead, P.J.P., 1985 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | males alike females |
Different colors | males alike females |
Remarks |
Striking features | none |
Body shape lateral | fusiform / normal |
Cross section | compressed |
Dorsal head profile | more or less straight |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | superior |
Diagnosis |
Body moderately slender, quite strongly compressed, belly sharply keeled. The bright silver stripe along the flank distinguishes it from all similar clupeids in the area. Hind border of gill opening evenly rounded (with two fleshy outgrowths in Harengula and Opisthonema, the latter with a filamentous last dorsal fin ray). |
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 | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 0 - 0 |
Soft-rays total | 13 - 21 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 12 - 23 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position abdominal beneath origin of D1 | |
Spines | |
Soft-rays 6 |