Main Ref. | Scott, W.B. and E.J. Crossman, 1973 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | elongated |
Cross section | compressed |
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 | terminal |
Type of scales | ctenoid scales |
Diagnosis |
Nuptial tubercles absent. Differentiation of sexes difficult. Branchiostegal rays 7,7 or 7,8 (Ref. 1998). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | 83 - 104 |
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 | 6 - 8 |
on upper limb | 4 - 5 |
total | |
Vertebrae | |
preanal | |
total | 44 - 48 |
Attributes | |
Fins number | 2 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 13 - 17 |
Soft-rays total | 18 - 22 |
Adipose fin |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 2 - 2 |
Soft-rays total | 11 - 14 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 13 - 16 | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |