| 主要參考文獻。 | Compagno, L.J.V., D.A. Ebert and M.J. Smale, 1989 |
| 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 | |
| 側面體型 (shape guide) | fusiform / normal |
| 橫切面 | |
| 頭部背面描繪 | |
| 眼的類型 | |
| 口/吻尖的類型 | |
| 口的位置 | |
| 刻度類型 | placoid scales |
| 鑑別 |
A stout shark with a long, narrow, pointed snout, long gill slits and erect, narrow-cusped upper teeth; first dorsal fin high; no interdorsal ridge (Ref. 5578). Dark grey, ashy blue or dusky bronze on back, belly white or yellowish white; a dark band extending rearward along each side to about over origin of pelvic fin; tips of pelvic fins with a persistent black spot; tips of dorsal fins, pectoral fins, anal, and lower lobe of caudal fin usually black or dusky in young individuals, fading with growth (Ref. 9997). |
| 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 | 2 |
| 離鰭號碼 | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| 棘總數 | 0 - 0 |
| 軟條總數 | 0 - 0 |
| 脂鰭 | absent |
| 屬性 | heterocercal; asymmetric |
| 鰭數 | 1 |
| 棘總數 | 0 - 0 |
| 軟條總數 | 0 - 0 |
| 胸鰭 | 屬性 more or less normal |
| 脊椎 0 | |
| 軟條 0 - 0 | |
| 骨盤的 | 屬性 more or less normal |
| 位置 abdominal behind origin of D1 | |
| 脊椎 0 | |
| 軟條 0 - 0 |