Main Ref. | Collette, B.B. and C.E. Nauen, 1983 |
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 | oval |
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 | terminal |
Type of scales | |
Diagnosis |
Head longer than body depth. Maxilla partly concealed, covered by lachrymal bone but extending to about hind margin of eye. Bristles on longest gill raker 105 on one side in specimens of 12.7 cm, 140 in 16 cm, and 160 in 19 cm fork length specimens. A black spot on body near lower margin of pectoral fin. Interpelvic process small and single. Swim bladder present. Anal spine rudimentary. Description: Characterized further by silvery body color with several dark stripes on upper half side, upper ones breaking into spots posteriorly; whole body covered by scales, those at anterior part larger but not developed as a corselet; moderately compressed body; large mouth, maxilla extending posterior to rear margin of eye; very small teeth in jaws, none on vomer or palatines (Ref. 90102). |
Ease of Identification |
Lateral Lines | 1 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) | absent |
Gill rakers | |
on lower limb | 30 - 46 |
on upper limb | 15 - 32 |
total | 48 - 59 |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 2 |
Finlets No. | Dorsal 5 - 5 |
Ventral 5 - 5 | |
Spines total | 8 - 11 |
Soft-rays total | 12 - 12 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 12 - 12 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 19 - 20 | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines | |
Soft-rays |