Morphology Data of Blicca bjoerkna
Identification keys
Abnormalities
Main Ref. Spillman, C.-J., 1961
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 sub-terminal/inferior
Type of scales
Diagnosis

The only species of the genus which can be diagnosed from similar species of genera Ballerus, Blicca and Vimba by having the following characters: mouth sub-inferior, which can not be extended as a tube; scales on lateral line 43-46 + 2-3 ; anal fin with 19-23½ branched rays; eye diameter about equal to snout length in individuals larger than 10 cm SL; pharyngeal teeth 2,5-2,5; and orange or reddish base of paired fins (Ref. 59043). Caudal fin with 17-19 rays (Ref. 2196).

Ease of Identification

Meristic characteristics of Blicca bjoerkna

Lateral Lines Interrupted: No
Scales on lateral line 45 - 49
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line 8 - 10
Scale rows below lateral line 5 - 6
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 15 - 17
Vertebrae
preanal
total 39 - 40

Fins

Dorsal fin(s)

Attributes no striking attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 3 - 3
Soft-rays total 8 - 8
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 19 - 22

Paired fins

Pectoral Attributes  more or less normal
Spines     1
Soft-rays   14 - 16
Pelvics Attributes  more or less normal
Position    abdominal  before origin of D1
Spines     2
Soft-rays   8 - 8
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