Main Ref. | Randall, J.E. and J.E. McCosker, 2002 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks | Males distinguished from females by the oblique, dark-edged, yellow or olive band on the cheek, more numerous black dots dorsally on the head and dorsoanterior part of the body, and the more pointed membrane at the tips of the dorsal spines. |
Striking features | |
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 | terminal |
Type of scales | ctenoid scales |
Diagnosis |
Predorsal scales about 15. Small and cycloid scales on cheek; on body ctenoid. No serrae or spines on edges of opercular bones except a single stout spine on opercle. Body elongate, depth 5.7-6.2 in SL; whitish with 8 narrow dark bars, all but first and last broadly expanded dorsally to a Y-shape. Body cylindrical anteriorly, the width slightly greater than depth. Third or 4th dorsal spines longest; membrane of 5th dorsal spine connected directly across from spine tip to first soft ray. Caudal fin slightly rounded, upper corner projecting as a short, broad-based filament in adults. Mouth slightly oblique, the lower jaw projecting. |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | 59 - 60 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 9 - 9 |
Scale rows below lateral line | 14 - 14 |
Scales around caudal peduncle | 30 - 30 |
Barbels | |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | 10 - 12 |
on upper limb | 6 - 7 |
total | |
Vertebrae | |
preanal | |
total | 30 - 30 |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 5 - 5 |
Soft-rays total | 21 - 21 |
Adipose fin |
Attributes | more or less truncate; more or less normal |
Fins number | 1 |
Spines total | 1 - 1 |
Soft-rays total | 17 - 17 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 18 - 19 | |
Pelvics | Attributes rays very elongated |
Position thoracic before origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |