Morphology Data of Stolephorus rex
Identification keys
Abnormalities
Main Ref. Hata, H., S. Lavoué and H. Motomura, 2021
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 elongated
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species is distinguished by the following characters: gill rakers of first gill arch 16-19 (modally 18) in upper series and 22-24 (21) in lower series, 39-43 (42) in total; gill rakers on second gill arch, 11-14 (13) in upper series, 20-24 (21) in lower series, 32-38 (35) in total; gill rakers on third gill arch, 9-12 (10) in upper series, 11-15 (13) in lower series, 21-26 (23) in total; gill rakers on fourth gill arch, 7-10 (9) in upper series, 8-12 (11) in lower series, 16-22 (20) in total; gill rakers 3-8 (5) on hind face of third gill arch; prepelvic scutes 2-5 (4); transverse scales 8-9 (8); vertebrae 20-21 (20) + 19-20 (19) = 39-40 (39); maxilla rather long, posterior tip just reaching or slightly beyond posterior margin of preopercle, 19.1-23.1% SL (mean 20.8%), 73.7-87.0% HL (81.2%); predorsal scutes absent; pelvic scute no spine; posterior border of preopercle convex, rounded; two pairs of dark patches on parietal and occipital regions; with a pair of dark lines on dorsum from parietal region to dorsal-fn origin; black spots below eye and lower-jaw tip absent; posterior tip of depressed pelvic fin reaching to vertical through 2nd to 6th dorsal-fin origin; head is short, 24.3-27.6% SL (mean 25.6%) (Ref. 123745).

Ease of Identification

Meristic characteristics of Stolephorus rex

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 22 - 24
on upper limb 16 - 19
total 39 - 43
Vertebrae
preanal
total

Fins

Dorsal fin(s)

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

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   
Pelvics Attributes  
Position    
Spines     
Soft-rays   
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