Main Ref. | Kottelat, M. and J. Freyhof, 2007 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
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 |
Differs from other congeners in Black and Caspian Sea basins by the possession of the following characters: barbel reaching to anterior eye margin; breast naked between pectorals; snout length greater than postorbital distance; head length 23-28 % SL; head depth at nape 14-15% SL, at eye 45-54% HL; body depth 18-22% SL; head width 13-15% SL 49-64% HL; eye diameter 4-6% SL, 2.8-3.2 times in head depth, 1.3-1.5 times in interorbital distance at 8-10 cm SL; and caudal peduncle depth 29-39% HL (Ref. 59043). |
Ease of Identification |
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 |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | |
Adipose fin | absent |
Attributes | forked |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes more or less normal |
Spines | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position abdominal behind origin of D1 | |
Spines | |
Soft-rays |