主要參考文獻 | Bigorne, R., 1990 |
形態描述的性別 | |
Bones in OsteoBase |
特殊器官 | no special organs |
不同的外表 | males alike females |
不同的顏色 | males alike females |
附註 |
顯著的特徵 | none |
側面體型 | fusiform / normal |
橫切面 | compressed |
頭部背面描繪 | clearly convex |
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 | cycloid scales |
鑑別 |
Body depth 2.8-4.2 x SL. Sokomo and Comoe forms longer with SL/Depth ratio 3-4. Head 3.8-5.0 x SL. Eye diameter 3.3-6.4 x head length. Dorsal origin slightly behind anal fin origin. Pectorals slightly shorter or equal to head length, 2-3 x longer than pelvic fins, its posterior end reaching past origin of pelvic fins. Caudal peduncle height 2.3-3.9 x of its length, 12.3-20.6 x SL. Middle reaches fish silvery in color with lots of small spots on sides and head, higher reaches fish darker with darker and fewer spots. |
鑑定難易度 |
側線 | 1 打斷: No |
側線上的鱗片 | 45 - 64 |
側線上鱗片數 | |
側生系列的鱗片 | |
側線上的鱗片列 | 10 - 15 |
側線下的鱗片列 | 10 - 14 |
尾梗周圍的鱗片 | 14 - 18 |
觸鬚 | 0 |
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 | no striking attributes |
鰭數 | 1 |
離鰭號碼 | Dorsal |
Ventral | |
棘總數 | 0 - 0 |
軟條總數 | 17 - 22 |
脂鰭 | absent |
屬性 | forked; more or less normal |
鰭數 | 1 |
棘總數 | 0 - 0 |
軟條總數 | 21 - 27 |
胸鰭 | 屬性 more or less normal |
脊椎 | |
軟條 | |
骨盤的 | 屬性 more or less normal |
位置 abdominal before origin of D1 | |
脊椎 | |
軟條 |