Morphology Data of Trimma pajama
Identification keys
Main Ref. Winterbottom, R., M.V. Erdmann and N.K. Dita Cahyani, 2014
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 oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth

This species is distinguished by the following characters: predorsal midline with 6 scales; 2 ctenoid scales along the upper border of the opercle; cheek scaleless; first 2 dorsal spines slightly elongated and reaching posteriorly to between the base of the spine and the base of the first ray of the second dorsal fin; unbranched pectoral-fin rays; a fifth pelvic fin ray which branches once dichotomously and is 58-72% the length of the fourth ray; full basal membrane connecting the inner margins of the fifth pelvic fins rays in undamaged specimens; live colour pattern of red-orange and dark brown or grey stripes on the body reaching posteriorly to the anterior half of the caudal peduncle, it is unique among members of the genus, as is the preserved colour pattern of dark and light body stripes (Ref. 96671).

Ease of Identification

Meristic characteristics of Trimma pajama

Lateral Lines Interrupted: No
Scales on lateral line 23 - 23
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle 12 - 12
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 10 - 13
on upper limb 2 - 3
total 12 - 16


Dorsal fin(s)

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

Caudal fin


Anal fin(s)

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

Paired fins

Pectoral Attributes  
Soft-rays   12 - 14
Pelvics Attributes  
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
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