Morphology Data of Plectranthias azumanus
Identification keys
Abnormalities
Main Ref. Gill, A.C., J.J. Pogonoski, G.I. Moore and J.W. Johnson, 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
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 set of characters: D X,14-15, rarely X,14; pectoral rays 15, rarely 14; lateral line complete with 33-37 tubed scales; lower edge of preopercl without antrorse serrations; scales with basal cteni; melanophores on caudal peduncle form a saddle that extends ventrally to about 1-2 scale rows beneath lateral line scales (Ref. 123579).

Description: This species resembles P. kelloggi, P. maculicauda, P. melanesius in having a more-or-less barred body coloration (coalesced into a broad wedge in P. kelloggi) with a spot, bar or saddle over the caudal peduncle and a small spot on the caudal fin near the base of the upper rays (Ref. 123579).

Ease of Identification

Meristic characteristics of Plectranthias azumanus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 33 - 37
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 16 - 16
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 14 - 14
on upper limb 8 - 8
total
Vertebrae
preanal 10 - 10
total 26 - 26

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 10 - 10
Soft-rays total 14 - 15
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 7 - 7

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   14 - 15
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
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