主要参考文献 | Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990 |
形态描述的性别 | |
Bones in OsteoBase |
特殊器官 | |
不同的外表 | |
不同的颜色 | |
附注 |
显着的特徵 | striking shape of body |
侧面体型 | elongated |
横切面 | circular |
头部背面描绘 | clearly convex |
眼的类型 | more or less normal |
口/吻尖的类型 | more or less normal |
口的位置 | sub-terminal/inferior |
Type of scales | ctenoid scales |
鉴别 |
Eyes large; snout short, moderately pointed, its anterolateral margin incompletely supported by bone. Head ridges strong but with rather fine spinules; terminal snout scute trifid, wider than long, small and blunt to large and pointed, with a terminal and two lateral arms of about equal size. Underside of the snout naked medially. Light organ large, a black naked fossa between and slightly anterior to the pelvic fin bases. Overall color is pale grayish-brown to swarthy, with a series of broad saddle marks in some; oral cavity pale to dark (Ref. 1371). Spiny fin ray of first dorsal fin with a smooth and rounded leading edge (Ref. 35388). |
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 | 1 |
鳃裂 (仅限于鲨鱼/ 鱼) | |
鳃耙 | |
在下肢上 | |
上枝鳃耙 | |
总数 | 7 - 12 |
脊椎骨 | |
肛门前 | |
总数 |
属性 | extending over most of the back length |
鳍数 | 2 |
离鳍号码 | Dorsal 0 - 0 |
Ventral 0 - 0 | |
棘总数 | 0 - 0 |
软条总数 | |
脂鳍 | absent |
属性 |
鳍数 | 1 |
棘总数 | 0 - 0 |
软条总数 |
胸鳍 | 属性 more or less normal |
脊椎 | |
软条 | |
骨盘的 | 属性 more or less normal |
位置 thoracic before origin of D1 | |
脊椎 | |
软条 |