主要參考文獻 | Keith, P. and J. Allardi (coords.), 2001 |
形態描述的性別 | |
Bones in OsteoBase |
特殊器官 | |
不同的外表 | |
不同的顏色 | |
附註 |
顯著的特徵 | |
側面體型 | fusiform / normal |
橫切面 | oval |
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 | |
Type of scales | |
鑑別 |
Body with numerous scattered small black blotches. Keels extend from pelvic base to anus. Barbels absent. Posterior margin of last simple dorsal ray not serrated. Branched anal rays 13-14.5 (Ref. 13274). Differs from Hypophthalmichthys molitrix by having scaled keel from pelvic to anal, 240-300 long gill rakes, head length 27-35% SL, dark overall coloration, flank with dark, large, very irregularly shaped blotches, fin bases and inferior parts of head and belly yellowish (Ref. 59043). |
鑑定難易度 | likely to be confused with closely related species. |
側線 | 打斷: No |
側線上的鱗片 | 96 - 120 |
側線上鱗片數 | |
側生系列的鱗片 | |
側線上的鱗片列 | 20 - 23 |
側線下的鱗片列 | |
尾梗周圍的鱗片 | |
觸鬚 | |
鰓裂 (僅限於鯊魚/ 魟魚) | |
鰓耙 | |
在下肢上 | |
上枝鰓耙 | |
總數 | 240 - 300 |
脊椎骨 | |
肛門前 | |
總數 |
屬性 | no striking attributes |
鰭數 | 1 |
離鰭號碼 | Dorsal |
Ventral | |
棘總數 | 3 - 3 |
軟條總數 | 7 - 7 |
脂鰭 |
屬性 | forked; more or less normal |
鰭數 | 1 |
棘總數 | 1 - 3 |
軟條總數 | 12 - 14 |
胸鰭 | 屬性 more or less normal |
脊椎 1 | |
軟條 17 - 17 | |
骨盤的 | 屬性 more or less normal |
位置 abdominal before origin of D1 | |
脊椎 1 | |
軟條 7 - 8 |