Morphology Summary - Apistus shaula
Morphology Data of Apistus shaula
Identification keys
Abnormalities
Main Ref. Matsunuma, M., Y.G. Seah and H. Motomura, 2024
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) fusiform / normal
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This specis is distinguished by the following set of characters: the inner surface of pectoral fin is white, scattered with numerous black spots; anterior dorsal-fin spines is relatively long, first spine 16.3-16.5% of SL, second spine 17.0-18.7% of SL ,third spine 16.9-19.9% of SL, fourth spine 18.8-21.3% of SL, and fifth spine 18.1-21.2% of SL, in large specimens greater than 9.5 cm SL (Ref. 137862).

Ease of Identification

Meristic characteristics of Apistus shaula

Lateral Lines 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
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

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

Caudal fin  (shape guide)

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

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