Main Ref. | Sazonov, Y.I., 1989 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | fusiform / normal |
Cross section | compressed |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Head short (28-31% SL); upper jaw 11-13% SL, posterior margin extends to caudal margin of pupil; orbit diameter almost equal to rostrum length (8-9% SL). Large scales; 54-56 scales in transverse series above the lateral line. First ray of pectoral fin thicker, elongated and thread-like beyond base of pelvic fin. Testis divided into 2 lobes (Ref. 33629). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 6 - 7 |
Scale rows below lateral line | |
Scales around caudal peduncle | |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | |
on upper limb | |
total | 24 - 28 |
Vertebrae | |
preanal | |
total | 47 - 49 |
Attributes | |
Fins number | |
Finlets No. | Dorsal |
Ventral | |
Spines total | |
Soft-rays total | |
Adipose fin |
Attributes | forked; more or less normal |
Fins number | |
Spines total | |
Soft-rays total |
Pectoral | Attributes other (see remarks) |
Spines | |
Soft-rays 15 - 16 | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines | |
Soft-rays 8 - 9 |