Main Ref. | Russell, B.C., 1990 |
Appearance refers to | Male; Female |
Bones in OsteoBase |
Specialized organs | no special organs |
Different appearance | males alike females |
Different colors | males alike females |
Remarks |
Striking features | none |
Body shape lateral | fusiform / normal |
Cross section | oval |
Dorsal head profile | clearly convex |
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 |
The head scales reach forward in V-shaped patch to between middle of eyes. The posterior margin of preopercle is more or less vertical; the lower limb of preopercle is naked. The posterior margin of the suborbital has 2 or 3 tiny spines, a small spine is at the upper corner. The pectoral fins moderately long, reaching to or just short of the anus. The pelvic fins are long, reaching to beyond the anus. Axillary scale present. Color: Upper body dark brownish, paling to whitish below. A prominent black spot is at the base of the pectoral fin. |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 34 - 35 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 2.5 - 5 |
Scale rows below lateral line | 11 - 15 |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | absent |
Gill rakers | |
on lower limb | |
on upper limb | |
total | 12 - 14 |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 10 - 10 |
Soft-rays total | 9 - 9 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 3 - 3 |
Soft-rays total | 7 - 7 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 16 - 17 | |
Pelvics | Attributes more or less normal |
Position thoracic before origin of D1 | |
Spines 1 | |
Soft-rays 5 - 5 |