主要参考文献 | Allen, G.R., 1989 |
形态描述的性别 | 雄性; 雌性 |
Bones in OsteoBase |
特殊器官 | other |
不同的外表 | males alike females |
不同的颜色 | males alike females |
附注 |
显着的特徵 | striking fins |
侧面体型 | elongated |
横切面 | circular |
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 | cycloid scales |
鉴别 |
Body stout and elongate. Dorsal fin originating on the middle of the back, confluent with caudal and anal fins. Body covered with large, bony, overlapping scales. The head is flattened, with conical profile. The eyes are small; the mouth is reaching about half the distance to eye. The pectoral fins are large and flipper-like in ventral position just behind the head; the pelvic fins are also flipper-like, situated far back on the body. |
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 | |
上枝鳃耙 | |
总数 | |
脊椎骨 | |
肛门前 | |
总数 |
属性 | greatly reduced or absent |
鳍数 | |
离鳍号码 | Dorsal 0 - 0 |
Ventral 0 - 0 | |
棘总数 | 0 - 0 |
软条总数 | 0 - 0 |
脂鳍 | absent |
属性 | pointed; confluent |
鳍数 | |
棘总数 | 0 - 0 |
软条总数 | 0 - 0 |
胸鳍 | 属性 other (see diagnosis) |
脊椎 | |
软条 | |
骨盘的 | 属性 other (see diagnosis) |
位置 abdominal | |
脊椎 | |
软条 |