Morphology Summary - Synodus autumnus
Morphology Data of Synodus autumnus
Identification keys
Abnormalities
Main Ref. Furuhashi, R. and H. Motomura, 2025
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  (shape guide) elongated
Cross section oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished by the following set of characters: D 11-13; A 8-10; lateral-line scales 49-51; scale rows above lateral line 3.5, below it 4.5; vertebrae 49-52; anterior gill rakers 22-29; peritoneal spots 0-5; anterior palatine teeth in a discrete group, longer than posterior palatine teeth; anterior nostril flap (ANF) long and broad, leaf-like, extending above and behind posterior margin of posterior nostril when laid back; posterior process of the pelvic girdle is wide; posterior part of preopercle with scales. Colouration: body with five reddish saddle-like blotches; lateral surface below lateral line with a straight row of brown blotches when fresh (Ref. 137743).

Ease of Identification

Meristic characteristics of Synodus autumnus

Lateral Lines Interrupted: No
Scales on lateral line 49 - 51
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 3.5 - 3.5
Scale rows below lateral line 4.5 - 4.5
Scales around caudal peduncle 11 - 14
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total 49 - 52

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 11 - 13
Adipose fin

Caudal fin  (shape guide)

Attributes

Anal fin(s)

Fins number 1
Spines total
Soft-rays total 8 - 10

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   11 - 12
Pelvics Attributes  
Position    
Spines     
Soft-rays   8 - 8
(e.g. 9948)
(e.g. oophagy)
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