| Main Ref. | Freyhof, J. and D.V. Serov, 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | males alike females |
| Different colors | males alike females |
| Remarks |
| Striking features | |
| Body shape lateral (shape guide) | elongated |
| Cross section | |
| Dorsal head profile | |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Lateral line with 10-15 irregular dark blotches, forming dark bars in posterior part of body and usually not meeting their homologues on back; predorsal part of body marbled by irregular spots and saddles; caudal peduncle 1.2-1.7 times longer than deep, its depth 9.7-11.5% SL; eye diameter 12.1-23.9% HL; lateral head length 105.0-123.3 % HL; anus 1.8-3.5 eye diameters in front of anal-fin origin; caudal peduncle with short crests; caudal fin slightly emarginate, median ray 80.8-91.7% of length of upper caudal-fin lobe; eye situated dorsally and interorbital width 21.2-33.8% HL; inner axial stripe absent or faint; caudal-fin base with complete black bar; lateral line complete in most specimens; no suborbital flap in males; dorsal fin with 8 1/2 rays; caudal fin with 9+8 branched rays; pelvic fin with 8 rays (Ref. 40772). |
| Ease of Identification |
| Lateral Lines | Interrupted: No |
| Scales on lateral line | |
| Pored lateral line scales | 28 - 96 |
| 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 | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 13 - 13 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 9 - 9 |
| Pectoral | Attributes more or less normal |
| Spines 0 | |
| Soft-rays 10 - 11 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines 0 | |
| Soft-rays 8 - 8 |