| Main Ref. | Hulley, P.A., 1986 |
| Appearance refers to | |
| Bones in OsteoBase |
| Specialized organs | |
| Different appearance | |
| Different colors | |
| 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 | |
| Diagnose |
Total anal organs 8-10; three to 6 small elongate patches of luminous tissue along base of anal fin which originate at the 4th ray; supracaudal gland short, with 2-3 scales, infracaudal gland with 3-5 scales reaching below last or next to last posterior anal organ (Ref. 39633). |
| 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 | 12 - 16 |
| on upper limb | 5 - 7 |
| insgesamt | |
| Wirbelzahl | |
| preanal | |
| insgesamt |
| Attributes | |
| Fins number | 1 |
| Finlets No. | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| Spines total | 0 - 0 |
| Soft-rays total | 12 - 14 |
| Adipose fin | present |
| Attributes |
| Fins number | 1 |
| Spines total | 0 - 0 |
| Soft-rays total | 12 - 15 |
| Pectoral | Attributes |
| Spines 0 | |
| Soft-rays 12 - 15 | |
| Pelvics | Attributes |
| Position | |
| Spines | |
| Soft-rays |