Morphology Data of Callogobius okinawae
Identification keys
Main Ref. Myers, R.F., 1991
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales cycloid scales

Body dark brown and clouded with black patches, color lighter on belly; dorsal fins with several series of spots; pectoral base with one dark patch on upper part; caudal brown; ventral and anal whitish. Longitudinal scales 44. Transverse scales 17. Maxillary does not reach eye. Head with several rows of papillae and dermal folds on snout, cheek and opercle. Several transversal folds under lower jaw. Longitudinal row of folds from corner of mouth and lower jaw are interrupted. No scales on nape anteriorly. First dorsal fin obtuse, middle rays longest; 2nd dorsal higher than the 1st, pointed posteriorly. Pectoral does not reach anal fin origin. Pelvic fin notched, connected by frenum and membrane. Caudal fin lanceolate.

Ease of Identification

Meristic characteristics of Callogobius okinawae

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 40 - 40
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb


Dorsal fin(s)

Fins number 2
Finlets No. Dorsal   
Spines total 7 - 7
Soft-rays total 10 - 10
Adipose fin

Caudal fin

Attributes other (see remark); more or less normal

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 8 - 8

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   16 - 16
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Garilao, Cristina V.
Modified by Valdestamon, Roxanne Rei
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17