Morphology Data of Plotosus japonicus
Identification keys
Abnormalities
Main Ref. Yoshino, T. and H. Kishimoto, 2008
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 sub-terminal/inferior
Type of scales
Diagnosis

This species is distinguished by the following set of characters: 2-3 pale stripes on body, of which 2 extend onto head, a pair of dermal fold fringing base of dendritic organ; nasal and maxillary barbels reach well beyond posterior border of orbit; origin of dorsal procurrent caudal-fin posterior to vertical thorough middle base of pelvic fins, and slightly anterior to vertical through origin of anal fin; 21-26 (usually 23-25) gill rakers; 142-174 (usually 146-174) total rays in confluent median fins; 48-52 (usually 49-51) vertebrae excluding anterior complex vertebra (Ref. 75200).

Ease of Identification

Meristic characteristics of Plotosus japonicus

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

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   
Pelvics Attributes  
Position    
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
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