Morphology Data of Trimma imaii
Identification keys
Main Ref. Suzuki, T. and H. Senou, 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 fusiform / normal
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

This specie sis distinguished by the following characters: 7 predorsal scales; 9 second dorsal-fin rays; 16 pectoral fin rays, all unbranched; first dorsal fin with second spine elongate and filamentous; fifth pelvic-fin ray unbranched; height of basal membrane between innermost pelvic-fin rays about 20% of length of fifth ray; interorbital or postorbital trough absent; no scales on opercle; head and body dull yellow; fresh and color in life of snout, interorbit, and upper and lower parts of eye dark violet (Ref. 81089).

Ease of Identification

Meristic characteristics of Trimma imaii

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
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
preanal 10 - 10
total 26 - 26


Dorsal fin(s)

Fins number 2
Finlets No. Dorsal   
Spines total 7 - 7
Soft-rays total 9 - 9
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   16 - 16
Pelvics Attributes  
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
Modified by Valdestamon, Roxanne Rei
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