| 主要参考文献 | Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988 |
| 形态描述的性别 | |
| Bones in OsteoBase |
| 特殊器官 | no special organs |
| 不同的外表 | males alike females |
| 不同的颜色 | males alike females |
| 附注 |
| 显着的特徵 | none |
| 侧面体型 | elongated |
| 横切面 | oval |
| 头部背面描绘 | clearly convex |
| 眼的类型 | more or less normal |
| 口/吻尖的类型 | more or less normal |
| 口的位置 | sub-terminal/inferior |
| Type of scales | cycloid scales |
| 鉴别 |
Snout long and pointed, only slightly less than eye diameter; maxilla long, tip pointed, reaching almost to gill opening, teeth near tip somewhat enlarged; gill cover canals of panamensis-type; pseudobranch longer than eye diameter, with 30 or more filaments, extending onto inner face of operculum. First pectoral fin ray filamentous. Silver stripe along flank about eye diameter. |
| 鉴定难易度 |
| 侧线 | 打断: No |
| 侧联机的鳞片 | 0 - 0 |
| 侧联机鳞片数 | |
| 侧生系列的鳞片 | |
| 侧联机的鳞片列 | 0 - 0 |
| 侧线下的鳞片列 | 0 - 0 |
| 尾梗周围的鳞片 | |
| 触须 | 0 |
| 鳃裂 (仅限于鲨鱼/ 鱼) | |
| 鳃耙 | |
| 在下肢上 | 21 - 27 |
| 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 | 0 - 0 |
| 软条总数 | |
| 脂鳍 | absent |
| 属性 | forked; more or less normal |
| 鳍数 | 1 |
| 棘总数 | 0 - 0 |
| 软条总数 | 17 - 21 |
| 胸鳍 | 属性 rays very elongated |
| 脊椎 0 | |
| 软条 | |
| 骨盘的 | 属性 more or less normal |
| 位置 abdominal before origin of D1 | |
| 脊椎 0 | |
| 软条 7 - 7 |