Morphology Data of Thrissina supra
Identification keys
Main Ref. Hata, H., P.N. Psomadakis, H.B. Osmany and H. Motomura, 2021
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 compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

This species is distinguished by the following set of characters: upper jaw is relatively long with posterior tip slightly beyond opercle posterior margin, but not reaching the pectoral-fin insertion; first supramaxilla absent; teeth on both jaws are robust, enlarged; dorsum with distinct paired dark lines when preserved; a dark blotch behind the upper part of gill opening sometimes present in preserved specimens; branched rays of dorsal fin 10-11 (modally 10), anal fin usually 42-45 (rarely 40, modally 44), pectoral fin with 11-12 (modally 11); transverse scales 12-13 (12); scale rows in longitudinal series 45-47 (46); gill rakers on first gill arch, in upper series15-16 (15), lower series 20-23 (22), total 35-39 (37); gill rakers on second gill arch, in upper series 12-14 (modally 13), lower series 21-23 (22), total 33-37 (35); gill rakers on third gill arch, in upper series 10-11 (10), lower series 12-14 (13), total 22-24 (23); gill rakers on fourth gill arch, in upper series 7-9 (8), lower series 10-13 (11), total 18-22 (19); snout is long, 3.7-4.1% SL; pelvic fin is long, 9.0-10.4% SL; mandible is long, 17.3-18.3% SL; pelvic-fin insertion to anal-fin origin 17.0-18.8% SL (Ref. 123974).

Ease of Identification

Meristic characteristics of Thrissina supra

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


Dorsal fin(s)

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

Caudal fin


Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  
Pelvics Attributes  
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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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