Morphology Data of Betta gladiator
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

Absence of anal-fin base sheath scales; absence of dorsal-fin spine; body yellowish brown, opercle bluish; caudal fin plain brown; vertebrae 33-34; anal-fin rays 28-31 (mode 30); dorsal-fin rays 7-9 (mode 8); pectoral-fin rays 16-17 (mode 17); subdorsal scales 5-6 1/2 (mode 6); lateral scales 34-36 (mode 35); predorsal scales 24-27 (mode 26); predorsal length 68.0-72.8% SL; head length 28.5-31.3% SL; length of anal-fin base 48.1-52.8% SL; length of dorsal-fin base 7.3-11.4% SL; lower jaw length 28.3-38.3% HL (Ref. 56613).

Ease of Identification

Meristic characteristics of Betta gladiator

Lateral Lines Interrupted: No
Scales on lateral line 34 - 36
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal
total 33 - 34

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   
Ventral  
Spines total 0 - 0
Soft-rays total 7 - 9
Adipose fin absent

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number
Spines total 1 - 2
Soft-rays total 27 - 30

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   16 - 17
Pelvics Attributes  
Position    before origin of D1
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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