Morphology Data of Pseudochromis tigrinus
Identification keys
Main Ref. Allen, G.R. and M.V. Erdmann, 2012
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance always different morphology between mature adults
Different colors always different colors between mature adults
Remarks male with 10-11 narrow black bars on side of body; forehead, upper back and dorsal fin yellow (Ref 90102).

Descriptive characteristics of juvenile and adult

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

This species is distinguished by the following characters: strong sexual dichromatism with colour of female light grey with yellow dorsal fin; male mainly white body color with 10-11 narrow black bars on side, forehead, upper back and dorsal fin bright yellow; palatine tooth patches more or less joined with posterolateral arms of vomerine tooth patch; scales in lateral series 37-40; circumpeduncular scales 16; pelvic-fin rays I,5; D III,25-27; A III,15; pectoral fin rays 18; upper procurrent caudal fin rays 6, lower procurrent caudal fin rays 6, total caudal fin rays 29 (Ref. 90102).

Ease of Identification

Meristic characteristics of Pseudochromis tigrinus

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series 37 - 40
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 16 - 16
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 10 - 11
on upper limb 6 - 6
total 16 - 17


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 3 - 3
Soft-rays total 25 - 27
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 15 - 15

Paired fins

Pectoral Attributes  
Soft-rays   18 - 18
Pelvics Attributes  
Soft-rays   29 - 29
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Valdestamon, Roxanne Rei
Modified by Capuli, Estelita Emily
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