Morphology Data of Gastromyzon ocellatus
Identification keys
Main Ref. Tan, H.H. and P.K.L. Ng, 2004
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 having the following unique combination of characters: body dark brown, dorsum with 7-8 cream bars, side with bars complete or interrupted to form an ocellus pattern, head dorsum dark brown with cream spots and blotches; caudal fin red when live; lack of secondary rostrum; lack of a postoral pouch; gill slit angular, subopercular groove present and continuous to pectoral fin origin; a rounded snout when viewed dorsally; presence of sublacrimal groove; abdomen without scales; 56-61 scales on lateral line; pelvic fin not overlapping anal fin origin, adpressed dorsal fin not overlapping anal fin origin (Ref. 55025).

Ease of Identification

Meristic characteristics of Gastromyzon ocellatus

Lateral Lines Interrupted: No
Scales on lateral line 56 - 61
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 30 - 31


Dorsal fin(s)

Fins number
Finlets No. Dorsal   
Spines total
Soft-rays total 8 - 9
Adipose fin

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number
Spines total
Soft-rays total 5 - 5

Paired fins

Pectoral Attributes  
Soft-rays   22 - 24
Pelvics Attributes  
Soft-rays   18 - 19
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
Modified by Torres, Armi G.
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