Morphology Data of Stenogobius squamosus
Identification keys
Abnormalities
Main Ref. Watson, R.E., 1991
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks Sexual dimorphic differences similar to those described for S. caudimaculosus. Jaw reaching under pupil to posterior edge of eye in males, jaw in females reaches under center or posterior edge of pupil (Ref. 34009).

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section circular
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth terminal
Type of scales
Diagnosis

Species has most elongate caudal peduncle of all Insularigobius examined, 14-17% of SL, usually 15-16%; predorsal midline usually fully scaled, usually 17-19; scales in horizontal series 49-51, usually 50-51; opercle may or may not be scaled; one to two spots present on caudal peduncle (Ref. 34009).

Ease of Identification

Meristic characteristics of Stenogobius squamosus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 49 - 51
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 2
Finlets No. Dorsal   
Ventral  
Spines total 7 - 7
Soft-rays total 11 - 11
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total 1 - 1
Soft-rays total 11 - 12

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   15 - 15
Pelvics Attributes  
Position    thoracic  before origin of D1
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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