Main Ref. | Whitehead, P.J.P., 1985 |
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 | 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 | cycloid scales |
Diagnosis |
Body fairly elongate, belly keeled, with 17 + 9 scutes; about 19 dorsal scutes with low keels from head to dorsal fin origin. Second supra-maxilla paddle-shaped, lower portion larger. Branchiostegal rays 4. Anal fin origin under or slightly behind base of last dorsal fin ray (well behind in H. vittatus). Scales deciduous; body translucent, with silver band along flank. |
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 | |
on upper limb | |
total | |
Vertebrae | |
preanal | 24 - 30 |
total | 40 - 42 |
Attributes | no striking attributes |
Fins number | 1 |
Finlets No. | Dorsal 0 - 0 |
Ventral 0 - 0 | |
Spines total | 0 - 0 |
Soft-rays total | 15 - 16 |
Adipose fin | absent |
Attributes | forked; more or less normal |
Fins number | 1 |
Spines total | 0 - 0 |
Soft-rays total | 19 - 22 |
Pectoral | Attributes more or less normal |
Spines 0 | |
Soft-rays 13 - 13 | |
Pelvics | Attributes more or less normal |
Position abdominal beneath origin of D1 | |
Spines 0 | |
Soft-rays 7 - 7 |