| Main Ref. | Markle, D.F. and Y.I. Sazonov, 1996 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| Remarks |
| Striking features | |
| Body shape lateral | elongated |
| Cross section | compressed |
| Dorsal head profile | more or less straight |
| Type of eyes | |
| Type of mouth/snout | |
| Position of mouth | |
| Type of scales | |
| Diagnosis |
Head naked, covered with soft, tough skin. Cephalic lateralis system with 5 pores each in the supraorbital, preopercular, and mandibular series and 4 in posttemporal series. No trace of supratemporal commissure. Two pores joined by a short, dark canal on lachrymal on each side of snout above the maxillae. Snout elongate with upper jaw shorter than the lower jaw. Head narrow. Body with small, barely or non-imbricate scale pockets. Branchiostegal rays 5 (?). Pyloric caeca 4 (Ref. 40779). |
| 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 | 12 - 13 |
| Vertebrae | |
| preanal | |
| total | 52 - 52 |
| Attributes | |
| Fins number | |
| Finlets No. | Dorsal |
| Ventral | |
| Spines total | |
| Soft-rays total | 21 - 21 |
| Adipose fin |
| Attributes | forked; more or less normal |
| Fins number | |
| Spines total | |
| Soft-rays total | 33 - 41 |
| Pectoral | Attributes more or less normal |
| Spines | |
| Soft-rays 7 - 8 | |
| Pelvics | Attributes more or less normal |
| Position abdominal before origin of D1 | |
| Spines | |
| Soft-rays 6 - 6 |