Morphology Data of Rutilus caspicus
Identification keys
Abnormalities
Main Ref. Kottelat, M. and J. Freyhof, 2007
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks Breeding males with fine, scattered tubercles on top and side of head (Ref. 59043)

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales
Diagnosis

Can be diagnosed from its congeners in Caspian Sea basin by having the following characters: 39-48 (usually 42-44) scales along the lateral line; body laterally compressed, depth 24-37% SL; dorsal fin usually with 9½ branched rays; anal fin usually with 10½ branched rays; mouth subterminal; snout rounded; iris silvery grey; pectoral pelvic and anal fins grey with dark margins (sometimes slightly red in autumn, outside spawning season); breeding males with fine, scattered tubercles on top and side of head (Ref. 59043)

Ease of Identification

Meristic characteristics of Rutilus caspicus

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

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
Spines     
Soft-rays   
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
Comments & Corrections
Sign our Guest Book
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17