| 主要參考文獻 | Iwamoto, T. and A. Williams, 1999 |
| 形態描述的性別 | |
| Bones in OsteoBase |
| 特殊器官 | no special organs |
| 不同的外表 | |
| 不同的顏色 | |
| 附註 |
| 顯著的特徵 | long whip-like tail |
| 側面體型 (shape guide) | elongated |
| 橫切面 | compressed |
| 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 | ctenoid scales |
| 鑑別 |
pelvic fin rays 9-10, fins all black; median nasal streak faint or absent; chin barbel slender, moderately long, 24-35% of head length; outer premaxillary teeth small, scarcely enlarged; darker dorsum not strongly demarcated from paler lateral and ventral parts of trunk and tail; suborbital shelf broad, without anterior constriction, almost entirely black. |
| 鑑定難易度 | likely to be confused with closely related species. |
| 側線 | 1 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 | |
| 上枝鰓耙 | |
| 總數 | |
| 脊椎骨 | |
| 肛門前 | |
| 總數 |
| 屬性 | |
| 鰭數 | 2 |
| 離鰭號碼 | Dorsal |
| Ventral | |
| 棘總數 | 2 - 2 |
| 軟條總數 | |
| 脂鰭 | absent |
| 屬性 | pointed; confluent |
| 鰭數 | 1 |
| 棘總數 | |
| 軟條總數 |
| 胸鰭 | 屬性 more or less normal |
| 脊椎 0 | |
| 軟條 20 - 25 | |
| 骨盤的 | 屬性 more or less normal |
| 位置 thoracic before origin of D1 | |
| 脊椎 0 | |
| 軟條 9 - 10 |