Morphology Data of Melanorivulus modestus
Identification keys
Abnormalities
Main Ref. Costa, W.J.E.M., 1995
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
Diagnosis

Sides of body and unpaired fins of males without dark markings. 31-35 total caudal-fin rays. Body depth always greater than 20.0% SL (Ref 26657).

Ease of Identification

Meristic characteristics of Melanorivulus modestus

Lateral Lines Interrupted: No
Scales on lateral line 31 - 33
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 30 - 30

Fins

Dorsal fin(s)

Attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total 10 - 11
Adipose fin

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number
Spines total
Soft-rays total 13 - 14

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   13 - 14
Pelvics Attributes  
Position    
Spines     
Soft-rays   6 - 6
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