Morphology Data of Astrocottus matsubarae
Identification keys
Abnormalities
Main Ref. Tsuruoka, O., S. Maruyama and M. Yabe, 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
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species possess the following set of characters: slightly large head, its length 36-38% SL, depth 20-26% SL; flat interorbital space flat, relatively wide, its width 7.8-9.7% HL; basal length of anal fin 25-29% SL; pectoral-fin rays with small scales except the lowermost part; numerous small scales cover widely the ventral surface of head and trunk; no nuchal cirrus; scattered below lateral line are long filamentous cirri; D1 IX, D2 12; A 11-12 (mode 12); lateral-line scales 29-31 (mode 31); vertebrae 12 + 17-19 (mode 12 +18) = 29-31 (mode 30) (Ref. 76844).

Ease of Identification

Meristic characteristics of Astrocottus matsubarae

Lateral Lines Interrupted: No
Scales on lateral line 29 - 31
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 29 - 31

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 9 - 9
Soft-rays total 12 - 12
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total 11 - 12

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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