| 主要參考文獻 | Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins, 1999 |
| 形態描述的性別 | |
| Bones in OsteoBase |
| 特殊器官 | |
| 不同的外表 | |
| 不同的顏色 | |
| 附註 |
| 顯著的特徵 | other (see Diagnosis) |
| 側面體型 | eel-like |
| 橫切面 | oval |
| 頭部背面描繪 | more or less straight |
| 眼的類型 | more or less normal |
| 口/吻尖的類型 | more or less normal |
| 口的位置 | sub-terminal/inferior |
| Type of scales | |
| 鑑別 |
Eel-like, moderate to shallow body depth; maxilla free and movable; cardiform teeth present; branchiostegal membranes partly or completely united; swim bladder with thin terminal membrane or bulb; lacking enlarged dentary or premaxillary fangs, dentary diastema, pelvic fins, and swim bladder rocker bone (Ref. 34024). 19-20 precaudal vertebrae (Ref. 38407). Branchiostegal rays: 6-7 (Ref. 36487). |
| 鑑定難易度 | likely to be confused with closely related species. |
| 側線 | 打斷: No |
| 側線上的鱗片 | |
| 側線上鱗片數 | |
| 側生系列的鱗片 | |
| 側線上的鱗片列 | |
| 側線下的鱗片列 | |
| 尾梗周圍的鱗片 | |
| 觸鬚 | |
| 鰓裂 (僅限於鯊魚/ 魟魚) | |
| 鰓耙 | |
| 在下肢上 | 0 - 0 |
| 上枝鰓耙 | 0 - 0 |
| 總數 | 0 - 0 |
| 脊椎骨 | |
| 肛門前 | 4 - 4 |
| 總數 | 113 - 118 |
| 屬性 | extending over most of the back length |
| 鰭數 | 1 |
| 離鰭號碼 | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| 棘總數 | 0 - 0 |
| 軟條總數 | 142 - 148 |
| 脂鰭 | absent |
| 屬性 | pointed; confluent |
| 鰭數 | 1 |
| 棘總數 | 0 - 0 |
| 軟條總數 | 153 - 160 |
| 胸鰭 | 屬性 |
| 脊椎 0 | |
| 軟條 15 - 16 | |
| 骨盤的 | 屬性 suppressed/absent |
| 位置 absent | |
| 脊椎 0 | |
| 軟條 0 - 0 |