Morphology Data of Atule mate
Identification keys
Abnormalities
Main Ref. Smith-Vaniz, W.F., 1999
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section compressed
Dorsal head profile clearly convex
Type of eyes eyes with fixed fatty (adipose) tissue/eyelids
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales cycloid scales
Diagnosis

This species is distinguished by the following characters: adipose eyelid well developed and completely covering eye except for a vertical slit centred on pupil; shoulder girdle (cleithrum) margin smooth, without papillae; terminal dorsal and anal rays finlet-like in adults, about twice length of adjacent rays and a little more separated but joined by interradial membrane; lateral line gently arched anteriorly, with junction of curved and straight parts below vertical from sixth to eighth soft rays of second dorsal fin; scales in curved part of lateral line 39 to 57; straight part with 0 to 10 scales and 36 to 49 scutes; a black spot, slightly smaller than eye, on upper margin of opercle and adjacent area of shoulder; dorsal and caudal fins dusky greenish yellow; anal fin pale yellow (Ref. 9894).

Description: Body olive green dorsally, shading to white or silvery ventrally; prominent black spot posteriorly on opercle at level of upper eye; often with 10 dark bars on side of body; dorsal and caudal fins dusky greenish yellow (Ref. 2334, 90102). Body oblong, moderately compressed, with dorsal and ventral profiles almost evenly convex. The adipose eyelid completely covering the eye except for a vertical slit centered on pupil. (Ref. 90102)

Ease of Identification

Meristic characteristics of Atule mate

Lateral Lines 1 Interrupted: No
Scales on lateral line 0 - 10
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 26 - 31
on upper limb 10 - 13
total 36 - 44
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 9 - 9
Soft-rays total 22 - 25
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 2
Spines total 3 - 3
Soft-rays total 18 - 21

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   
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