Morphology Data of Betta rubra
Identification keys
Abnormalities
Main Ref. Tan, H.H. and P.K.L. Ng, 2005
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Body with 5-7 irregular dark vertical bars; opercle with a pair of vertical parallel reddish bars; presence of broad chin-bar, merging with anterior part of second postorbital stripe, forming a triangular dark mark below eye; anal-fin rays 27-29; lateral scales 28 1/2-30; total length 131.6-142.3% SL; caudal peduncle depth 13.1-16.3% SL; body depth at dorsal-fin origin 23.2-27.1% SL; pelvic fin length 28.1-38.4% SL; dorsal-fin base length 9.6-12.5% SL; interorbital width 6.3-9.9% SL (Ref. 56386).

Ease of Identification

Meristic characteristics of Betta rubra

Lateral Lines Interrupted: No
Scales on lateral line 28 - 31
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 15 - 16
Scale rows below lateral line 7 - 7
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total 28 - 29

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 0 - 2
Soft-rays total 7 - 8
Adipose fin absent

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number
Spines total 2 - 3
Soft-rays total 24 - 26

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   13 - 13
Pelvics Attributes  
Position    before origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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