Main Ref. | Iwamoto, T., 1986 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | striking shape of body |
Body shape lateral | elongated |
Cross section | oval |
Dorsal head profile | more or less straight |
Type of eyes | more or less normal |
Type of mouth/snout | more or less normal |
Position of mouth | sub-terminal/inferior |
Type of scales | cycloid scales |
Diagnosis |
Light organ a dark streak extending forward from anus to chest, streak broadened at either end but anterior fossa not broadly naked. Spinules on scales slender, conical, recurved, in irregular subparallel rows to somewhat quincunx pattern. Color is light brownish to gray-brown; with faint diagonal bands in some individuals. First dorsal fin with a dark band across the middle; the pelvic fins black-tipped, its base blackish. |
Ease of Identification |
Lateral Lines | 1 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 | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | 6 - 8 |
on upper limb | 1 - 2 |
total | 8 - 9 |
Vertebrae | |
preanal | |
total |
Attributes | extending over most of the back length |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 2 - 2 |
Soft-rays total | 108 - 109 |
Adipose fin | absent |
Attributes |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 100 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 15 - 16 | |
Pelvics | Attributes more or less normal |
Position jugular before origin of D1 | |
Spines 0 | |
Soft-rays 7 - 7 |