Morphology Data of Scomberomorus commerson
Identification keys
Abnormalities
Main Ref. Collette, B.B., 2001
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

This species is distinguished by the following characters: body elongate (depth 4.8-5.6 in SL), moderately strongly compressed; upper jaw reaching to posterior margin of eye or slightly beyond; teeth in jaws strong and compressed; gill rakers of first gill arch 0-2 on upper limb and 1-8 on lower limb, total 1-8; 2 dorsal fins, D1 XV-XVIII and D2 15-20, followed by 8-11 finlets; anal fin originating below midpoint of second dorsal fin, with 16-21 soft rays, followed by 7-12 finlets; lateral line abruptly bent downward below end of second dorsal fin. Colour of back iridescent blue-grey, sides silver with bluish reflections, marked with numerous thin, wavy vertical bands; number of bars increases from as few as 20 in a 40 cm specimen to as many as 65 at 150 cm; juveniles frequently spotted (Ref. 9684, 90102).

Description: Fully scaled body; large mouth, exposed maxilla on cheek and extending to below rear margin of eye; large teeth in jaws, compressed and triangular; presence of teeth in vomer and palatines (Ref. 90102); interpelvic process small and bifid. Swim bladder absent; intestine with 2 folds and 3 limbs; juveniles with large oval dark spots on body; middle third of first dorsal fin white, rest of fin black (Ref. 11228).

Ease of Identification

Meristic characteristics of Scomberomorus commerson

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 1 - 8
on upper limb 0 - 2
total 1 - 8
Vertebrae
preanal
total 42 - 46

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 2
Finlets No. Dorsal   8 - 10
Ventral  7 - 12
Spines total 15 - 18
Soft-rays total 15 - 20
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 16 - 21

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   21 - 24
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Luna, Susan M.
Modified by Capuli, Estelita Emily
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17