| 主要參考文獻 | Higuchi, M., H. Sakai and A. Goto, 2014 |
| 形態描述的性別 | |
| Bones in OsteoBase |
| 特殊器官 | |
| 不同的外表 | always different morphology between mature adults |
| 不同的顏色 | |
| 附註 | Females have significantly greater relative preanal length than males, although the latter had significantly greater head length, caudal peduncle depth, anal fin base length, first and second spine lengths, depth of lateral plate above anus, snout length, upper jaw length and depth of lateral plate in lateral plate above the anus. Males have more anal fin soft rays . |
| 顯著的特徵 | |
| 側面體型 (shape guide) | fusiform / normal |
| 橫切面 | |
| 頭部背面描繪 | |
| 眼的類型 | |
| 口/吻尖的類型 | |
| 口的位置 | |
| Type of scales | |
| 鑑別 |
Gasterosteus nipponicus is distinguished from its congeners by the combination of the following characters: lateral plates complete, abruptly reducing in size above the anus, depth of lateral plate above the anus <60 % that of the deepest plate; and caudal keels thin and membranous (Ref. 96096). |
| 鑑定難易度 |
| 側線 | 打斷: No |
| 側線上的鱗片 | |
| 側線上鱗片數 | |
| 側生系列的鱗片 | |
| 側線上的鱗片列 | |
| 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 | |
| 脊椎骨 | |
| 肛門前 | |
| 總數 | 30 - 34 |
| 屬性 | no striking attributes |
| 鰭數 | |
| 離鰭號碼 | Dorsal |
| Ventral | |
| 棘總數 | 3 - 3 |
| 軟條總數 | 10 - 15 |
| 脂鰭 | absent |
| 屬性 | more or less truncate |
| 鰭數 | |
| 棘總數 | |
| 軟條總數 | 7 - 11 |
| 胸鰭 | 屬性 more or less normal |
| 脊椎 | |
| 軟條 10 - 10 | |
| 骨盤的 | 屬性 more or less normal |
| 位置 abdominal behind origin of D1 | |
| 脊椎 | |
| 軟條 |