Morphology Data of Pseudogobiopsis oligactis
Identification keys
Main Ref. Larson, H.K., 2009
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
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

Distinguished by the following characteristics: moderately slender Pseudogobiopsis with second dorsal rays I,6-8; anal rays I,5-7; pectoral rays 16-19; longitudinal scales 22-25; TRB 6-8; predorsal scales 6-10, large, reaching up to close behind eyes; head flattened and jaws greatly enlarged in males; prsence of preopercular pores, posterior portion of oculoscapular canal present, including TLCP pore; scales on body mostly ctenoid; first spine of dorsal fin longest and usually filamentous in males, second or third spine longest in females, not elongate; upper half of body with scale margins narrowly outlined with dark pigment, five elongate dark blotches along midside of body with fine dark spots below and three dark streaks on face (Ref. 80545).

Ease of Identification

Meristic characteristics of Pseudogobiopsis oligactis

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 12 - 13
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 4 - 8
on upper limb 1 - 7
total 10 - 17


Dorsal fin(s)

Fins number 2
Finlets No. Dorsal   
Spines total 6 - 7
Soft-rays total 6 - 8
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 5 - 7

Paired fins

Pectoral Attributes  
Soft-rays   16 - 19
Pelvics Attributes  
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Valdestamon, Roxanne Rei
Comments & Corrections
Sign our Guest Book
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17