| Main Ref. | Stein, D.L., N.V. Chernova and A.P. Andriashev, 2001 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | none |
| Body shape lateral | elongated |
| Cross section | |
| Dorsal head profile | clearly convex |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | sub-terminal/inferior |
| Type of scales | |
| Diagnosis |
Caudal-fin rays 8; 2 pectoral radials; chin pore interspace equals twice their diameter; common skin fold present anteriorly; gill opening short, lower end horizontal with eye centre; pectoral fin 16+2+3, short, only posterior part of upper and lower lobes protruding from skin; notch shallow; anus below first third of postorbital space; HL 19.3% SL; nephrohaemal canal present; body and head light brown, peritoneum black, mouth dark grey, tongue black-dotted (Ref. 42734). |
| 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 | 68 - 68 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 60 - 60 |
| Adipose fin | absent |
| Attributes | more or less truncate |
| Fins number | |
| Spines total | 0 - 0 |
| Soft-rays total | 55 - 55 |
| Pectoral | Attributes other (see remarks) |
| Spines | |
| Soft-rays 21 - 21 | |
| Pelvics | Attributes suppressed/absent |
| Position absent | |
| Spines 0 | |
| Soft-rays 0 - 0 |