Morphology Data of Ostichthys brachygnathus
Identification keys
Main Ref. Greenfield, D.W., J.E. Randall and P.N. Psomadakis, 2017
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 short and / or deep
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: 2½ scales above lateral line to midbase of spinous portion of dorsal fin; origin of anal fin is beneath soft portion of dorsal fin; upper procurrent spiniform caudal-fin rays 5 and lower rays 4; D XII,12, last spine shortest; A V,9 (holotype appears aberrant in having a fifth anal-fin spine); pectoral-fin rays 16; patch of teeth on vomer V-shaped; head length 2.45 in SL; dorsal profile of head nearly straight, becoming slightly convex on nape; lateral-line scales 27; gill rakers 8 + 15; maxilla not reaching a vertical at posterior margin of orbit; depth of body 2.35 in SL; snout length 4.45 in HL; caudal peduncle very slender 5.05 in HL; colour when fresh is solid red, the centers of scales lighter red than edges (Ref. 114923).

Ease of Identification

Meristic characteristics of Ostichthys brachygnathus

Lateral Lines Interrupted: No
Scales on lateral line 27 - 27
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 15 - 15
on upper limb 8 - 8
total 23 - 23


Dorsal fin(s)

Fins number 2
Finlets No. Dorsal   
Spines total 12 - 12
Soft-rays total 12 - 12
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 5 - 5
Soft-rays total 9 - 9

Paired fins

Pectoral Attributes  
Soft-rays   16 - 16
Pelvics Attributes  
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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