Morphology Data of Melanorivulus rubroreticulatus
Identification keys
Abnormalities
Main Ref. Costa, W.J.E.M., P.F. Amorim and P.H.N. Bragança, 2014
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 elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales cycloid scales
Diagnosis

Melanorivulus rubroreticulatus is distinguished from all other members of the M. zygonectes group by its color pattern consisting of caudal fin with broad red bars in males, bars often interconnected to form reticulations and and anal-fin base with short red bars contrasting with intense light blue ground color (Ref. 96663).

Ease of Identification

Meristic characteristics of Melanorivulus rubroreticulatus

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 16 - 16
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 9 - 9
Vertebrae
preanal
total 30 - 31

Fins

Dorsal fin(s)

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

Caudal fin

Attributes more or less truncate

Anal fin(s)

Fins number
Spines total
Soft-rays total 12 - 14

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   13 - 14
Pelvics Attributes  
Position    abdominal  before origin of D1
Spines     
Soft-rays   7 - 7
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