Morphology Data of Tomiyamichthys dorsostigma
Identification keys
Abnormalities
Main Ref. Bogorodsky, S. V., M. Kovačić and J. E. Randall, 2011
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: D VI + I,12; A I,12; pectoral rays 17; cycloid scales, partially to complete embedded, nonimbricate, not in regular rows, about 120-125 in longitudinal series; naked head; elongated body, the depth at anal-fin origin 7.75-7.9 in SL, compressed; head length 3.55-3.6 in SL; eye extending little above dorsal profile of head; orbit diameter 4.35-4.45 in head length; gill opening reaching forward to below rear margin of preopercle; the first dorsal spine is longest, 3.0-3.15 in SL, twice length of longest dorsal soft ray; caudal fin slightly pointed, longer than head length; pelvic fins are fully united, nearly reaching anus, 3.45-3.5 in SL, with well developed frenum; colouration when fresh - pale grey with a series of 14 dark brown bars on body, much wider than pale interspaces and broken into one or two spots dorsally; head with irregular, close-set, dark brown spots of variable size, generally smaller anteriorly; first dorsal fin with close-set, dark brown spots, are larger posteriorly; third membrane of the first dorsal fin with a curved white mark on a large black spot near margin; second dorsal fin is whitish with a blackish margin, a middle dark brown stripe, and a row of large, dark brown, bilobed spots along its base; dorsal part of caudal fin with an oblique, blackish-edged, bluish white band (Ref. 88846).

Ease of Identification

Meristic characteristics of Tomiyamichthys dorsostigma

Lateral Lines Interrupted: No
Scales on lateral line 120 - 125
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 5 - 5
on upper limb 2 - 2
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 7 - 7
Soft-rays total 12 - 12
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 12 - 12

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   17 - 17
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Comments & Corrections
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