主要参考文献 | Nico, L.G., J.D. Williams and H.L. Jelks, 2005 |
形态描述的性别 | |
Bones in OsteoBase |
特殊器官 | no special organs |
不同的外表 | |
不同的颜色 | |
附注 | Nuptial males have breeding tubercles on head and dorsal fins. |
显着的特徵 | none |
侧面体型 | fusiform / normal |
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 |
Anatomy of the pharyngeal apparatus is the main distinguishing characteristic; throat teeth typically form a single row of 4-5 large molariform teeth on each of the two arches, with formula typically 1,4 - 4,1. |
鉴定难易度 |
侧线 | 1 打断: No |
侧联机的鳞片 | 39 - 46 |
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 | 14 - 23 |
脊椎骨 | |
肛门前 | |
总数 |
属性 | no striking attributes |
鳍数 | 1 |
离鳍号码 | Dorsal 0 - 0 |
Ventral 0 - 0 | |
棘总数 | 0 - 0 |
软条总数 | 7 - 9 |
脂鳍 | absent |
属性 | forked; more or less normal |
鳍数 | 1 |
棘总数 | 0 - 0 |
软条总数 | 8 - 10 |
胸鳍 | 属性 more or less normal |
脊椎 0 | |
软条 16 - 16 | |
骨盘的 | 属性 more or less normal |
位置 abdominal behind origin of D1 | |
脊椎 0 | |
软条 8 - 8 |