主要参考文献 | Collette, B.B. and C.E. Nauen, 1983 |
形态描述的性别 | |
Bones in OsteoBase |
特殊器官 | no special organs |
不同的外表 | males alike females |
不同的颜色 | males alike females |
附注 |
显着的特徵 | none |
侧面体型 | fusiform / normal |
横切面 | oval |
头部背面描绘 | more or less straight |
眼的类型 | more or less normal |
口/吻尖的类型 | more or less normal |
口的位置 | terminal |
Type of scales | |
鉴别 |
Interpelvic process small and bifid. Lateral line gradually curving down toward caudal peduncle. Intestine with 2 folds and 3 limbs. Swim bladder absent. Body covered with small scales. Sides with several poorly defined rows of round spots, larger than pupil but smaller than eye diameter. The inner surface of the pectoral fin is dark blue, the cheeks and belly silvery white, the anal fin and anal finlets light silvery gray, and the dorsal fin black, bright steely blue when fresh. |
鉴定难易度 |
侧线 | 1 打断: No |
侧联机的鳞片 | |
侧联机鳞片数 | |
侧生系列的鳞片 | |
侧联机的鳞片列 | |
侧线下的鳞片列 | |
尾梗周围的鳞片 | |
触须 | 0 |
鳃裂 (仅限于鲨鱼/ 鱼) | |
鳃耙 | |
在下肢上 | 8 - 10 |
上枝鳃耙 | 0 - 2 |
总数 | 8 - 12 |
脊椎骨 | |
肛门前 | |
总数 | 50 - 52 |
属性 | no striking attributes |
鳍数 | 2 |
离鳍号码 | Dorsal 9 - 10 |
Ventral 8 - 10 | |
棘总数 | 20 - 22 |
软条总数 | 17 - 20 |
脂鳍 | absent |
属性 | forked; more or less normal |
鳍数 | 1 |
棘总数 | 0 - 0 |
软条总数 | 17 - 19 |
胸鳍 | 属性 more or less normal |
脊椎 0 | |
软条 21 - 23 | |
骨盘的 | 属性 more or less normal |
位置 thoracic behind origin of D1 | |
脊椎 1 | |
软条 5 - 5 |