Morphology Data of Melanotaenia mairasi
Identification keys
Abnormalities
Main Ref. Allen, G.R. and R.K. Hadiaty, 2011
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
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

This species of the maccullochi group of rainbowfishes is distinguished by the following set of characters: D IV-VI-I,11 to 13 (usually 11); A I-II,16–19 (usually I,18-19); pectoral rays 12-14 (usually 13-14); lateral scales 32-34 (usually 34); gill rakers on lower limb of first gill arch 15-17. Colour in life brownish dorsally and white ventrally with mid-lateral blackish stripe from eye to caudal-fin base, narrow red stripe between each scale row of body, and orange scale margins (Ref. 87110).

Ease of Identification

Meristic characteristics of Melanotaenia mairasi

Lateral Lines Interrupted: No
Scales on lateral line
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 15 - 17
on upper limb 2 - 2
total 17 - 19
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total 4 - 6
Soft-rays total 11 - 13
Adipose fin

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total 1 - 2
Soft-rays total 16 - 19

Paired fins

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