| 主要參考文獻 | Dawson, C.E., 1986 |
| 形態描述的性別 | |
| Bones in OsteoBase |
| 特殊器官 | other |
| 不同的外表 | always different morphology between mature adults |
| 不同的顏色 | |
| 附註 | Males with brood pouch; females with ovipositor (Ref. 205). |
| 顯著的特徵 | |
| 側面體型 (shape guide) | eel-like |
| 橫切面 | |
| 頭部背面描繪 | |
| 眼的類型 | |
| 口/吻尖的類型 | tube-like |
| 口的位置 | terminal |
| Type of scales | |
| 鑑別 |
Variable green to brown or grey, depending on habitat (Ref. 48635). Description: Characterized by variable white and dark markings on body; absence of caudal fin; rings 15-18 + 40-54; continuous superior and inferior trunk ridge with respective tail ridges; inconspicuous inferior trunk ridge; dorsally deflected lateral trunk ridge behind anal ring, ends below superior tail ridge near rear base of dorsal fin; length of snout 1.7-1.8 in head length; depth of snout 5.3-7.8 in snout length; head length 4.9-6.3 in SL (Ref. 90102). |
| 鑑定難易度 |
| 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 | |
| 上枝鰓耙 | |
| 總數 | |
| 脊椎骨 | |
| 肛門前 | |
| 總數 |
| 屬性 | |
| 鰭數 | 1 |
| 離鰭號碼 | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| 棘總數 | 0 - 0 |
| 軟條總數 | 38 - 48 |
| 脂鰭 | absent |
| 屬性 |
| 鰭數 | 1 |
| 棘總數 | 0 - 0 |
| 軟條總數 | 4 - 4 |
| 胸鰭 | 屬性 |
| 脊椎 0 | |
| 軟條 20 - 24 | |
| 骨盤的 | 屬性 suppressed/absent |
| 位置 absent | |
| 脊椎 0 | |
| 軟條 0 - 0 |