| 主要参考文献 | Planquette, P., P. Keith and P.-Y. Le Bail, 1996 |
| 形态描述的性别 | 雄性; 雌性 |
| Bones in OsteoBase |
| 特殊器官 | no special organs |
| 不同的外表 | always different morphology between mature adults |
| 不同的颜色 | males alike females |
| 附注 | male has a longer anal fin than female |
| 显着的特徵 | none |
| 侧面体型 | elongated |
| 横切面 | oval |
| 头部背面描绘 | more or less straight |
| 眼的类型 | more or less normal |
| 口/吻尖的类型 | more or less normal |
| 口的位置 | superior |
| Type of scales | cycloid scales |
| 鉴别 |
Body covered with very big scales; dorsal and anal fins almost fused with the caudal fin; 2 barbels at the extremity of the lower jaw; adult silvery, juvenile with blue glints and a yellow-orange bar (Ref. 12225). |
| 鉴定难易度 | easy to distinguish from other species. |
| 侧线 | 1 打断: No |
| 侧联机的鳞片 | |
| 侧联机鳞片数 | |
| 侧生系列的鳞片 | |
| 侧联机的鳞片列 | |
| 侧线下的鳞片列 | |
| 尾梗周围的鳞片 | |
| 触须 | |
| 鳃裂 (仅限于鲨鱼/ 鱼) | |
| 鳃耙 | |
| 在下肢上 | |
| 上枝鳃耙 | |
| 总数 | |
| 脊椎骨 | |
| 肛门前 | |
| 总数 |
| 属性 | no striking attributes |
| 鳍数 | 1 |
| 离鳍号码 | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| 棘总数 | |
| 软条总数 | |
| 脂鳍 | absent |
| 属性 | pointed; confluent |
| 鳍数 | 1 |
| 棘总数 | |
| 软条总数 |
| 胸鳍 | 属性 more or less normal |
| 脊椎 | |
| 软条 | |
| 骨盘的 | 属性 more or less normal |
| 位置 abdominal before origin of D1 | |
| 脊椎 | |
| 软条 |