Morphology Data of Synodus falcatus
Identification keys
Main Ref. Waples, R.S. and J.E. Randall, 1988
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

Diameter of bony orbit 5.7-6.9% of SL; postural position of cheek unscaled; anterior palatine teeth not longer or only slightly longer than posterior palatine teeth; membranous flap on anterior nostrils long, pointed and curved outward; pectoral fins just reaching a line connecting origins of dorsal and pelvic fins; base of anal fin short (5.5-7.9% of SL); rose or orange brown in color (Ref. 7438).

Ease of Identification

Meristic characteristics of Synodus falcatus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 64 - 68
Scales in lateral series
Scale rows above lateral line 5.5 - 5.5
Scale rows below lateral line 7 - 8
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 16 - 80
on upper limb 8 - 11
total 25 - 30
total 63 - 67


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total
Soft-rays total 12 - 15
Adipose fin present

Caudal fin

Attributes forked

Anal fin(s)

Fins number
Spines total
Soft-rays total 8 - 9

Paired fins

Pectoral Attributes  
Soft-rays   12 - 13
Pelvics Attributes  
Soft-rays   8 - 8
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Garilao, Cristina V.
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