Main Ref. | Moser, H.G., 1996 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | light organs |
Body shape lateral | eel-like |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | scales embedded or partly/completely absent |
Diagnosis |
Jet black all over except for the dark gray on the posterior part of the lower jaw; when the thin epidermis is rubbed off, as is difficult to avoid, the dermis shows lead gray; young rich brown in color (Ref. 6885). |
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 | 79 - 82 |
Attributes | other |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 0 - 0 |
Soft-rays total | 14 - 18 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 19 - 22 |
Pectoral | Attributes absent |
Spines 0 | |
Soft-rays 0 - 0 | |
Pelvics | Attributes more or less normal |
Position abdominal before origin of D1 | |
Spines 0 | |
Soft-rays 8 - 10 |