Main Ref. | Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988 |
Appearance refers to | |
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 | 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 | sub-terminal/inferior |
Type of scales | cycloid scales |
Diagnosis |
Snout moderate and pointed, tip well above center of eye; maxilla short, tip blunt, failing to reach articulation of lower jaw by about 1/3 eye diameter, not extending behind end of second supra-maxilla; sub-operculum with angular hind margin, not formed into a triangular projection; gill rakers fine and slender. Silver stripe along flank, up to 1.5 eye diameter at widest (Ref. 189). Lacks membrane connecting the gill covers across the isthmus, longer and narrower cheek, higher dorsal and longer pectoral. Deep body and numerous gill rakers (Ref. 37032). |
Ease of Identification |
Lateral Lines | Interrupted: No |
Scales on lateral line | 0 - 0 |
Pored lateral line scales | |
Scales in lateral series | |
Scale rows above lateral line | 0 - 0 |
Scale rows below lateral line | 0 - 0 |
Scales around caudal peduncle | |
Barbels | 0 |
Gill clefts (sharks/rays only) | |
Gill rakers | |
on lower limb | 51 - 62 |
on upper limb | |
total | |
Vertebrae | |
preanal | |
total |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 0 - 0 |
Soft-rays total | |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 20 - 25 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays | |
Pelvics | Attributes more or less normal |
Position abdominal before origin of D1 | |
Spines 0 | |
Soft-rays 7 - 7 |