Morphology Data of Opsariichthys pachycephalus
Identification keys
Abnormalities
Main Ref. Huynh, T.Q. and I.-S. Chen, 2013
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 fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

More than 48 (modally 50-54) scales on lateral line; 20-23 predorsal scales; 4+36-37 (= 40-41) vertebral count; maxillary extending to or beyond vertical midline of orbit in female; and opercle and ventral side of head orange-red to pink-red in adult male (Ref. 95038).

Ease of Identification

Meristic characteristics of Opsariichthys pachycephalus

Lateral Lines Interrupted: No
Scales on lateral line 48 - 54
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 10 - 11
Scale rows below lateral line 3 - 4
Scales around caudal peduncle 17 - 20
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total 39 - 41

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 10 - 11
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 11 - 13

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   14 - 16
Pelvics Attributes  
Position    
Spines     
Soft-rays   8 - 9
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