Morphology Data of Parotocinclus britskii
Identification keys
Abnormalities
Main Ref. Schaefer, S.A. and F. Provenzano, 1993
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

Can be distinguished from its congeners by the following combination of characters: 21-31 premaxillary and mandibular teeth, typically 24-25; dorsal profile of snout broad and moderately parabolic, not acutely pointed; head width 75-98% of head length, 18-22% of SL median group of abdominal plates irregularly arranged; pigment on pectoral-fin spine arranged in 5 blotches; two blotches on the unbranched anal ray, single band on the branched anal rays (Ref. 26706).

Ease of Identification

Meristic characteristics of Parotocinclus britskii

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
on upper limb
total
Vertebrae
preanal
total

Fins

Dorsal fin(s)

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

Caudal fin

Attributes

Anal fin(s)

Fins number
Spines total
Soft-rays total

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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