Morphology Data of Oligosarcus itau
Identification keys
Abnormalities
Main Ref. Mirande, J.M., G. Aguilera and M. Azpelicueta, 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 fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Distinguished by having the following combination of characters: two distinct premaxillary rows of teeth; tricuspidate and pentacuspidate teeth on dentary and posterior premaxillary row; presence of a row of 3-4 tricuspidate to conical ectopterygoid teeth; anal fin with v-vi,21-23 anal-fin rays; and 41-42 perforated scales on lateral line.

Ease of Identification

Meristic characteristics of Oligosarcus itau

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 41 - 42
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

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number
Finlets No. Dorsal   
Ventral  
Spines total
Soft-rays total
Adipose fin

Caudal fin

Attributes forked

Anal fin(s)

Fins number
Spines total
Soft-rays total

Paired fins

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