Main Ref. | Randall, J.E., E.A. Lachner and T.H. Fraser, 1985 |
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 | cycloid scales |
Diagnosis |
When fresh, body translucent gray, thorax and abdomen light golden; variable sized brown spots on head; golden operculum with close-set blackish spots forming broad dark stripes. Caudal fin base with a large, round, dark brown spot. Anterior nostril with long, darkly pigmented membranous flap. Posterior half of upper jaw almost white, usually with a small dark spot on the side of maxilla. Second dorsal spine longest. 39-41 scales in longitudinal series. Convex interorbital space. |
Ease of Identification |
Lateral Lines | 2 Interrupted: No |
Scales on lateral line | |
Pored lateral line scales | |
Scales in lateral series | 39 - 41 |
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 | 9 - 10 |
on upper limb | 2 - 2 |
total | 11 - 12 |
Vertebrae | |
preanal | 10 - 10 |
total | 24 - 24 |
Attributes | other |
Fins number | 2 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 7 - 7 |
Soft-rays total | 8 - 8 |
Adipose fin | absent |
Attributes | more or less truncate; more or less normal |
Fins number | 1 |
Spines total | 2 - 2 |
Soft-rays total | 9 - 10 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 16 - 16 | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |