| 主要参考文献 | Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins, 1999 |
| 形态描述的性别 | |
| Bones in OsteoBase |
| 特殊器官 | no special organs |
| 不同的外表 | |
| 不同的颜色 | |
| 附注 |
| 显着的特徵 | long whip-like tail |
| 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 | sub-terminal/inferior |
| Type of scales | |
| 鉴别 |
Rostral spine well developed with vertical basal component which projects dorsally, and a long forward projecting straight component; peritoneum and guts black; narrow weak band of basibranchial teeth; bones thin, weakly developed (Ref. 34024). Branchiostegal rays: 7 (Ref. 36413). |
| 鉴定难易度 |
| 侧线 | 1 打断: No |
| 侧联机的鳞片 | 77 - 85 |
| 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 | 12 - 19 |
| 上枝鳃耙 | 4 - 5 |
| 总数 | 17 - 22 |
| 脊椎骨 | |
| 肛门前 | |
| 总数 | 55 - 58 |
| 属性 | extending over most of the back length |
| 鳍数 | 1 |
| 离鳍号码 | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| 棘总数 | 0 - 0 |
| 软条总数 | 99 - 113 |
| 脂鳍 | absent |
| 属性 | pointed; confluent |
| 鳍数 | 1 |
| 棘总数 | 0 - 0 |
| 软条总数 | 81 - 98 |
| 胸鳍 | 属性 more or less normal |
| 脊椎 0 | |
| 软条 24 - 26 | |
| 骨盘的 | 属性 reduced to filaments |
| 位置 jugular before origin of D1 | |
| 脊椎 0 | |
| 软条 2 - 2 |