| 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 | |
| Type of eyes | more or less normal |
| Type of mouth/snout | |
| Position of mouth | terminal |
| Type of scales | |
| Diagnosis |
Caudal-fin rays 10-11; 4 notched pectoral radials, with three interradial fenestrae; pectoral fin notch shallow but distinct; pleural ribs present; hypural plate single, unslit; teeth shouldered, tricuspid, not sharp; two suprabranchial pores present; gill opening entirely above pectoral-fin base; ventral disk very small; peritoneum black, stomach pale to dusky (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 | 58 - 59 |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | 0 - 0 |
| Soft-rays total | 53 - 54 |
| Adipose fin | absent |
| Attributes | more or less truncate; more or less normal |
| Fins number | |
| Spines total | 0 - 0 |
| Soft-rays total | 46 - 47 |
| Pectoral | Attributes other (see remarks) |
| Spines | |
| Soft-rays 34 - 35 | |
| Pelvics | Attributes other (see remarks) |
| Position | |
| Spines | |
| Soft-rays |