Morphology Data of Gastromyzon aeroides
Identification keys
Main Ref. Tan, H.H. and Z.H. Sulaiman, 2006
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 elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth

Distinguished from its congeners in possessing the following unique combination of characters: angular gill slit; subopercular groove present and continuous to pectoral fin origin; body, including dorsum, brown; head dorsum with very fine cream reticulate pattern (similar to a cream head with brown spots and blotches); dorsal, caudal and anal fins blue in life; presence of sublacrymal groove; snout rounded when viewed dorsally; absence of secondary rostrum; absence of postoral pouch; scales absent on belly; 47-65 scales in lateral line (Sabah population: 56-65, Brunei population: 47-49); pelvic fin not overlapping level of anal fin origin, adpressed dorsal fin falling short of level of anal fin origin (Ref. 56228).

Ease of Identification

Meristic characteristics of Gastromyzon aeroides

Lateral Lines Interrupted: No
Scales on lateral line 47 - 65
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
total 29 - 32


Dorsal fin(s)

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

Caudal fin


Anal fin(s)

Fins number
Spines total
Soft-rays total 4 - 4

Paired fins

Pectoral Attributes  
Soft-rays   23 - 26
Pelvics Attributes  
Soft-rays   18 - 20
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
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