主要參考文獻 | Whitehead, P.J.P., 1985 |
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 | more or less straight |
眼的類型 | more or less normal |
口/吻尖的類型 | more or less normal |
口的位置 | superior |
Type of scales | cycloid scales |
鑑別 |
Belly with distinct keel of scutes. Lower jaw very prominent, but not rising steeply within mouth; teeth reduced or in upper jaw absent in fishes over 23 cm standard length. A dark spot on shoulder, several obscure dark spots along flank (sometimes missing). Closely resembles A. chrysochloris which has stronger jaw teeth, no shoulder spot and the body depth less than head length (Ref. 188). Silvery, with a dark grayish green back (Ref. 7251). |
鑑定難易度 |
側線 | 打斷: No |
側線上的鱗片 | 0 - 0 |
側線上鱗片數 | |
側生系列的鱗片 | |
側線上的鱗片列 | 0 - 0 |
側線下的鱗片列 | 0 - 0 |
尾梗周圍的鱗片 | |
觸鬚 | 0 |
鰓裂 (僅限於鯊魚/ 魟魚) | |
鰓耙 | |
在下肢上 | 18 - 23 |
上枝鰓耙 | |
總數 | |
脊椎骨 | |
肛門前 | |
總數 | 53 - 55 |
屬性 | no striking attributes |
鰭數 | 1 |
離鰭號碼 | Dorsal 0 - 0 |
Ventral 0 - 0 | |
棘總數 | 0 - 0 |
軟條總數 | 15 - 20 |
脂鰭 | absent |
屬性 | forked; more or less normal |
鰭數 | 1 |
棘總數 | 0 - 0 |
軟條總數 | 19 - 23 |
胸鰭 | 屬性 more or less normal |
脊椎 0 | |
軟條 15 - 16 | |
骨盤的 | 屬性 more or less normal |
位置 abdominal behind origin of D1 | |
脊椎 0 | |
軟條 9 - 9 |