Morphology Data of Rastrelliger kanagurta
Identification keys
Abnormalities
Main Ref. Collette, B.B. and C.E. Nauen, 1983
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance males alike females
Different colors males alike females
Remarks

Descriptive characteristics of juvenile and adult

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

Meristic characteristics of Rastrelliger kanagurta

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

Fins

Dorsal fin(s)

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

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 12 - 12

Paired fins

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   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Luna, Susan M.
Modified by Valdestamon, Roxanne Rei
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