| 主要參考文獻 | Stein, D.L., N.V. Chernova and A.P. Andriashev, 2001 |
| 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 | none |
| 側面體型 (shape guide) | elongated |
| 橫切面 | |
| 頭部背面描繪 | more or less straight |
| 眼的類型 | more or less normal |
| 口/吻尖的類型 | |
| 口的位置 | terminal |
| Type of scales | |
| 鑑別 |
Caudal-fin rays 8; pectoral fin-notch moderately deep, dividing fin into 2 distinct lobes; pectoral girdle with 4 radials; snout high, blunt, and large; nasal pores widely spaced, chin pores not in a pit and without skin fold anteriorly; anterior 7-8 epineural and epipleural ribs straight, elongated, thickened; keel-like lateral ridge protruding along and above anterior part of abdominal cavity; gill opening lower end below eye level; head 19.3-19.8% SL; preanal length about 40% SL; body black; orobranchial cavity black-dotted to black; peritoneum black (Ref. 42734). |
| 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 | 70 - 71 |
| 屬性 | |
| 鰭數 | 1 |
| 離鰭號碼 | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| 棘總數 | 0 - 0 |
| 軟條總數 | 62 - 66 |
| 脂鰭 | absent |
| 屬性 | more or less truncate |
| 鰭數 | |
| 棘總數 | 0 - 0 |
| 軟條總數 | 56 - 57 |
| 胸鰭 | 屬性 other (see remarks) |
| 脊椎 | |
| 軟條 22 - 24 | |
| 骨盤的 | 屬性 suppressed/absent |
| 位置 absent | |
| 脊椎 0 | |
| 軟條 0 - 0 |