天气预报15天查询> 其他> 如何区分鲤鱼鲫鱼中的公鱼和母鱼

如何区分鲤鱼鲫鱼中的公鱼和母鱼

更新时间: 2020-10-13 00:00:00     

根据鱼腮和腮下面的鱼分水翅判断:上面有凸显的白点是公鱼,没有白点是母鱼。春季鱼产卵前最明显。按鱼体型判断:公鱼的体型修长,而母鱼则圆一些。根据挤压鱼的肛门处判断:挤鱼的肛门处,流出鱼子的是母鱼,流白色乳液的是公鱼。根据鱼的鳍条判断:雌鱼的胸鳍末端是圆钝形的,而雄鱼是尖状。鲫鱼,同一产地的同龄雌鱼总是比雄鱼大。

关键词: 如何 区分 鲤鱼 鲫鱼

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2665131/ | 耗时:0.9157 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2665131 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2665131 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2665131 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1107833,1125249,1082980,1067315,1086612,1069389,1077102,1102156,1066924,1089237,1079431,1078791,1090835,1096817,1081277,1068330,1084081,1079890,1046963,1068564,1096993,1096989,1069557,1104266,1077533,1077892,1088910,1076029,1102608,1108990) ORDER BY field (ArticleID,1107833,1125249,1082980,1067315,1086612,1069389,1077102,1102156,1066924,1089237,1079431,1078791,1090835,1096817,1081277,1068330,1084081,1079890,1046963,1068564,1096993,1096989,1069557,1104266,1077533,1077892,1088910,1076029,1102608,1108990)