Morphology Data of Amblygobius calvatus
Identification keys
Abnormalities
Main Ref. Allen, G.R. and M.V. Erdmann, 2016
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,14-15; A I,15-16; caudal fin is strongly lanceolate, and is longer than head length; longitudinal scales 80-86; transverse scales 24-26; body scales entirely cycloid; scaleless on head, including side of nape and upper opercle; when alive grayish-brown with 2 orange-brown stripes on head and body, short upper stripe, ending before soft dorsal fin, the lower stripe horizontally ovate, orange-brown spot on opercle, continuing as a pale body stripe from upper pectoral-fin base to middle of caudal-fin base; pectoral-fin base pale with small, rectangular dark orange-brown spot across middle portion; series of 8-11 small black spots or saddles on upper back (Ref. 114936).

Ease of Identification

Meristic characteristics of Amblygobius calvatus

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 24 - 25
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 6 - 6
on upper limb 0 - 0
total 6 - 6
Vertebrae
preanal 10 - 10
total 26 - 26

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 7 - 7
Soft-rays total 14 - 15
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 15 - 16
Soft-rays total

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   19 - 20
Pelvics Attributes  
Position    
Spines     1
Soft-rays   5 - 5
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