Main Ref. | Shcherbachev, Y.N., Y.I. Sazonov and T. Iwamoto, 1992 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
12 mesial gill rakers on first arch; eight scales below origin of second dorsal fin; no bulblike swelling of light organ, anterior dermal window represented by a small scaleless area between midbases of pelvic fins; pores of sensory canals on head small but present; color gray-brown, fins dark. Pelvic fins with long filamentous ray extending to about 13th anal ray. |
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 |
Attributes | |
Fins number | 2 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 2 - 2 |
Soft-rays total | |
Adipose fin | absent |
Attributes |
Fins number | 1 |
Spines total | |
Soft-rays total |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 17 - 23 | |
Pelvics | Attributes other (see remarks) |
Position thoracic beneath origin of D1 | |
Spines 0 | |
Soft-rays 11 - 11 |