| 主な参照 | Compagno, L.J.V., D.A. Ebert and M.J. Smale, 1989 |
| Appearance refers to | |
| Bones in OsteoBase |
| 専門の臓器 | |
| 異なる出現 | |
| 異なる色 | |
| 意見 |
| 目立つ特徴 | |
| 身体の側面 (shape guide) | fusiform / normal |
| 横断面 | |
| 後頭部の側面 | |
| 目の種類 | |
| 目/鼻の種類 | |
| 口の場所 | |
| Type of scales | placoid scales |
| 診断 |
A small thresher with moderately large eyes, a broadly convex forehead, a very narrow caudal tip, and straight, broad-tipped pectoral fins (Ref. 5578). Upper lobe of caudal fin very long and strap-like, almost equal to length of rest of shark; lower lobe short but strong; terminal lobe very small (Ref. 13570). Dark blue on back and sides, underside white; no white patch over pectoral fin bases (Ref. 5578). |
| Ease of Identification | likely to be confused with closely related species. |
| 側線 | 中断された: No |
| 側線ラインの長さ | |
| Pored lateral line scales | |
| Scales in lateral series | |
| 側線ラインより上の規模 | |
| 側線ラインより下の規模 | |
| 側線（尾鰭付近）周囲の規模 | |
| ひげ | |
| 鰓(サメ/エイのみ) | |
| 鰓篩 | |
| 下部のヒレに | |
| 上部のヒレの上に | |
| 合計 | |
| 脊つい | |
| 肛門前方の | |
| 合計 |
| 属性 | |
| 鰭の数 | 2 |
| 小離鰭の数 | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| 脊椎の合計 | 0 - 0 |
| 全体の鰭 | 0 - 0 |
| 脂びれ | absent |
| 属性 | heterocercal; asymmetric |
| 鰭の数 | 1 |
| 脊椎の合計 | 0 - 0 |
| 全体の鰭 | 0 - 0 |
| 胸の | 属性 more or less normal |
| 脊椎 0 | |
| 鰭 0 - 0 | |
| 骨盤の | 属性 more or less normal |
| 場所 abdominal behind origin of D1 | |
| 脊椎 0 | |
| 鰭 0 - 0 |