Main Ref. | Heemstra, P.C., 2001 |
Appearance refers to | |
Bones in OsteoBase |
Specialized organs | |
Different appearance | |
Different colors | |
Remarks |
Striking features | |
Body shape lateral | short and / or deep |
Cross section | |
Dorsal head profile | |
Type of eyes | |
Type of mouth/snout | |
Position of mouth | |
Type of scales | |
Diagnosis |
Silvery, with faint dark horizontal lines between scale rows. Brown band from top of head through eye to chest (fading with growth). Another, less distinct, curved dark bands from nape across operculum and pectoral-fin base to belly. Median fins dusky or pale with dark margins. Body orbicular and strongly compressed, its depth more than twice head length and 1.2 to 1.4 times in SL. Head length 3.1 to 3.6 times in SL. Head profile of adults with a slight bump between eyes. Snout, preopercle flange, and lower jaw naked, rest of head scaly. Jaws with 2 to 4 rows flattened, tricuspid teeth. Small patch of teeth on vomer. Palatines toothless. Five pores on each side of lower jaw. Preopercle with a few rudimentary serrae along its rounded angle. Opercle with a flat spine, and a rounded bone on its upper portion (Ref 43039). |
Ease of Identification |
Lateral Lines | 1 Interrupted: No |
Scales on lateral line | 46 - 48 |
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 | |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | |
Fins number | 1 |
Finlets No. | Dorsal |
Ventral | |
Spines total | 9 - 9 |
Soft-rays total | 27 - 29 |
Adipose fin |
Attributes | more or less truncate; more or less normal |
Fins number | |
Spines total | 3 - 3 |
Soft-rays total | 20 - 22 |
Pectoral | Attributes |
Spines | |
Soft-rays 19 - 21 | |
Pelvics | Attributes |
Position | |
Spines 1 | |
Soft-rays 5 - 5 |