Morphology Summary - Trachinotus blochii
Morphology Data of Trachinotus blochii
Identification keys
Abnormalities
Main Ref. Randall, J.E., G.R. Allen and R.C. Steene, 1990
Appearance refers to Male; Female
Bones in OsteoBase Skull, Spine

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral  (shape guide) short and / or deep
Cross section compressed
Dorsal head profile clearly convex
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales cycloid scales
Diagnosis

Description: Dorsal side silvery blue grey, ventrally paler; large adults golden orange, especially snout and ventral half of body. Dorsal snout profile very steep and broadly rounded. Fins dorsal greater than anal, soft-rays greatly elevated, spines embedded and inconspicuous in large adult; caudal strongly forked, caudal peduncle grooves absent. (Ref. 2334, 90102)

Ease of Identification

Meristic characteristics of Trachinotus blochii

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)
Gill rakers
on lower limb 8 - 10
on upper limb 5 - 8
total 13 - 18
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 2
Finlets No. Dorsal   5 - 5
Ventral  2 - 2
Spines total 7 - 7
Soft-rays total 18 - 20
Adipose fin absent

Caudal fin  (shape guide)

Attributes forked; more or less normal

Anal fin(s)

Fins number 2
Spines total 3 - 3
Soft-rays total 16 - 18

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Spines     
Soft-rays   
(e.g. 9948)
(e.g. oophagy)
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